Michigan

Area code 231

Area code 231 covers Muskegon, Traverse City, Petoskey, Cadillac, Big Rapids and more in Michigan, in the Eastern time zone. It has been in service since 1999.

WhereMichigan

Time zoneEastern

Exchanges572

Flagged numbers527 complaints

Most reported 231 numbers

(231) 786-7386CautionTelemarketer / sales15 complaints (231) 545-1569CautionRobocall / recorded message3 complaintsMortgage loans (231) 400-4270CautionTelemarketer / sales3 complaintsPolitical (231) 253-3058CautionScam or spam text3 complaints (231) 564-7770CautionTelemarketer / sales3 complaints

Carriers in 231

AT&T77 19%
AT&T Mobility72 18%
Onvoy (Sinch)53 13%
Frontier52 13%
Interactive Services Network43 11%
Verizon Wireless42 10%
123.Net34 8%
T-Mobile28 7%

Line types

Landline294 51%
Wireless (cell phone)146 26%
VoIP / internet phone121 21%
Pager11 2%

Counted over the exchanges, from the carrier each was assigned to.

Cities in area code 231

MuskegonTraverse CityPetoskeyCadillacBig RapidsLudingtonCheboyganManistee

Every 231 exchange

The first six digits of a number. Each one with 3 or more flagged numbers has its own page: who it was assigned to and the numbers in it.

Exchange	City	Carrier	Type	Flagged
231-201		AT&T Mobility	Wireless	0
231-202	Mecosta	AT&T Mobility	Wireless	0
231-203	Alanson	AT&T Mobility	Wireless	0
231-204	Fife Lake	Spok (paging)	Pager	0
231-205	Brutus	Interactive Services Network	Landline	0
231-206	Muskegon	T-Mobile	Wireless	0
231-207	Honor	Interactive Services Network	Landline	0
231-208	Boyne Falls	Interactive Services Network	Landline	0
231-209	Suttons Bay	Interactive Services Network	Landline	0
231-210	St. James	Onvoy (Sinch)	VoIP	0
231-212		Lumen (CenturyLink)	Landline	0
231-213	Traverse City	AT&T	Landline	0
231-214	Lake	Charter IP Enabled Services	Landline	0
231-215	Muskegon	Verizon Wireless	Wireless	0
231-216	Frankfort	Peerless Network	VoIP	0
231-217	Bear Lake	Interactive Services Network	Landline	0
231-218	Traverse City	T-Mobile	Wireless	0
231-219	Merritt	Interactive Services Network	Landline	0
231-220	Muskegon	123.Net	Landline	0
231-221	Harbor Springs	Lumen (CenturyLink)	Landline	0
231-222	East Jordan	Lumen (Level 3)	VoIP	0
231-223		Ace Tel. Co. of Michigan	Landline	0
231-224	Fremont	Bandwidth	VoIP	0
231-225	Fremont	Lumen (Level 3)	VoIP	0
231-226	Golden	Interactive Services Network	Landline	0
231-227	Honor	Charter IP Enabled Services	Landline	0
231-228	Golden	Brightspeed of Michigan	Landline	0
231-229		Brightspeed of Michigan	Landline	0
231-230	Elmira	Interactive Services Network	Landline	0
231-232		Interactive Services Network	Landline	0
231-233	Ludington	Verizon Wireless	Wireless	0
231-234	Buckley	Charter IP Enabled Services	Landline	0
231-235	Levering	Interactive Services Network	Landline	0
231-236	Lake City	Interactive Services Network	Landline	0
231-237	Charlevoix	AT&T	Landline	0
231-238	Indianfields	AT&T	Landline	0
231-239	Ludington	Verizon Wireless	Wireless	0
231-240	Lake Ann	Interactive Services Network	Landline	0
231-241	Pentwater	Daystarr Communications	Landline	0
231-242	Harbor Springs	AT&T	Landline	0
231-243	Alanson	Interactive Services Network	Landline	0
231-244	Boyne City	Lumen (CenturyLink)	Landline	0
231-245	Newaygo	AT&T Mobility	Wireless	0
231-246	Muskegon	Comcast (Xfinity)	VoIP	0
231-247		Bandwidth	VoIP	0
231-249	Cheboygan	Bandwidth	VoIP	0
231-250	Big Rapids	Verizon Wireless	Wireless	0
231-251		Peerless Network	VoIP	0
231-252	Traverse City	Bandwidth	VoIP	0
231-253	Cadillac	T-Mobile	Wireless	1
231-254	Petoskey	T-Mobile	Wireless	0
231-255	Onekama	Spok (paging)	Pager	0
231-256		AT&T	Landline	0
231-257	Lake City	Peninsula Fiber Network	Landline	0
231-258	Kalkaska	AT&T	Landline	0
231-259	Shelby	Charter IP Enabled Services	Landline	0
231-260	Muskegon	T-Mobile	Wireless	0
231-261	Ludington	Peninsula Fiber Network	Landline	0
231-262	Elmira	Acd Telecom	Landline	0
231-263	Kingsley	Brightspeed of Northern Michigan	Landline	0
231-264	Elk Rapids	AT&T	Landline	0
231-265	Coral	Charter IP Enabled Services	Landline	0
231-266	Irons	AT&T	Landline	0
231-267		AT&T Enterprises	Landline	0
231-268	Cheboygan	Verizon Wireless	Wireless	0
231-269	Buckley	Ace Tel. Co. of Michigan	Landline	0
231-270	Boyne City	Onvoy (Sinch)	VoIP	0
231-271	Suttons Bay	Brightspeed of Michigan	Landline	0
231-272	Kingsley	Onvoy (Sinch)	VoIP	0
231-273	Eastport	Onvoy (Sinch)	VoIP	0
231-274	Traverse City	American Messaging Services	Landline	0
231-275	Lake Ann	Brightspeed of Michigan	Landline	0
231-276		AT&T	Landline	0
231-277	Fountain	Onvoy (Sinch)	VoIP	0
231-278	Hesperia	Onvoy (Sinch)	VoIP	0
231-279	Big Rapids	Lumen (Level 3)	VoIP	0
231-280	Mancelona	Onvoy (Sinch)	VoIP	0
231-281	Cadillac	AT&T Mobility	Wireless	0
231-282	Grant	AT&T Mobility	Wireless	0
231-283	Muskegon	Onvoy (Sinch)	VoIP	0
231-284	Manistee	T-Mobile	Wireless	0
231-285	Cadillac	T-Mobile	Wireless	0
231-286	Muskegon	Verizon Wireless	Wireless	0
231-287	Big Rapids	Verizon Wireless	Wireless	0
231-288	Muskegon	AT&T Mobility	Wireless	0
231-289	Charlevoix	Bandwidth	VoIP	0
231-290	Indianfields	AT&T Mobility	Wireless	0
231-291	Muskegon	Interactive Services Network	Landline	0
231-292	Whitehall	Charter IP Enabled Services	Landline	0
231-293	Frankfort	Hd Carrier	Landline	0
231-294	Fife Lake	Onvoy (Sinch)	VoIP	0
231-295	Lake City	Charter IP Enabled Services	Landline	0
231-296	Fremont	Charter IP Enabled Services	Landline	0
231-297	Kingsley	Onvoy (Sinch)	VoIP	0
231-298	Irons	Charter IP Enabled Services	Landline	0
231-299	Manistee	T-Mobile (Metro)	Wireless	0
231-300	Alden	Onvoy (Sinch)	VoIP	0
231-301	Hart	Verizon Wireless	Wireless	0
231-302	Petoskey	Bandwidth	VoIP	0
231-303	Newaygo	AT&T	VoIP	0
231-304	Brutus	Onvoy (Sinch)	VoIP	0
231-305	Big Rapids	Interactive Services Network	Landline	0
231-306	Cadillac	Interactive Services Network	Landline	0
231-307	Morley	AT&T Mobility	Wireless	0
231-308	Charlevoix	Interactive Services Network	Landline	0
231-309	Manistee	Interactive Services Network	Landline	0
231-310	Falmouth	Onvoy (Sinch)	VoIP	0
231-312	Frankfort	Interactive Services Network	Landline	0
231-313	Traverse City	AT&T Mobility	Wireless	0
231-314	Kalkaska	Interactive Services Network	Landline	0
231-315	Muskegon	Spok (paging)	Pager	0
231-316	Ludington	Interactive Services Network	Landline	0
231-317	Boyne City	Spok (paging)	Pager	0
231-318	Traverse City	Spok (paging)	Pager	0
231-319	Mackinaw City	Interactive Services Network	Landline	0
231-320		Bandwidth	VoIP	0
231-321	Elmira	Verizon Wireless	Wireless	0
231-322		Frontier	Landline	0
231-323	East Jordan	Bandwidth	VoIP	0
231-324	Harbor Springs	AT&T	VoIP	0
231-325	Honor	Brightspeed of Michigan	Landline	0
231-326	Golden	Brightspeed of Michigan	Landline	0
231-327	Muskegon	AT&T Mobility	Wireless	0
231-328	Merritt	Brightspeed of Michigan	Landline	0
231-329	Muskegon	AT&T Mobility	Wireless	0
231-330	Petoskey	Verizon Wireless	Wireless	0
231-331	Alden	Frontier	Landline	0
231-332	Muskegon	Interactive Services Network	Landline	0
231-333	Cheboygan	Lumen (Level 3)	VoIP	0
231-334	Golden	Brightspeed of Michigan	Landline	0
231-335	Fremont	AT&T Mobility	Wireless	0
231-336	Ludington	Spok (paging)	Pager	0
231-337	McBain	AT&T Mobility	Wireless	0
231-338	Baldwin	Bandwidth	VoIP	0
231-339	Muskegon	American Messaging Services	Landline	0
231-340	Elmira	Verizon Wireless	Wireless	0
231-341	Lake Ann	AT&T Mobility	Wireless	0
231-342	Traverse City	Verizon Wireless	Wireless	0
231-343	Muskegon	T-Mobile	Wireless	0
231-344	Petoskey	Interactive Services Network	Landline	0
231-345	Reed City	Bandwidth	VoIP	0
231-346	Traverse City	Interactive Services Network	Landline	0
231-347	Petoskey	AT&T	Landline	0
231-348	Petoskey	AT&T	Landline	0
231-349	Big Rapids	Verizon Wireless	Wireless	0
231-350	Bellaire	Verizon Wireless	Wireless	0
231-351	Scottville	Interactive Services Network	Landline	0
231-352	Frankfort	AT&T	Landline	0
231-353	McBain	Interactive Services Network	Landline	0
231-354	Coral	AT&T	Landline	0
231-355	Fremont	Interactive Services Network	Landline	0
231-356	Mancelona	Interactive Services Network	Landline	0
231-357	Traverse City	Verizon Wireless	Wireless	0
231-358	Central Lake	Interactive Services Network	Landline	0
231-359	Mecosta	Charter IP Enabled Services	Landline	0
231-360	Traverse City	AT&T Mobility	Wireless	0
231-361	Morley	Interactive Services Network	Landline	0
231-362	Kaleva	Kaleva Tel	Landline	0
231-363	Cheboygan	Interactive Services Network	Landline	0
231-364	Northport	Onvoy (Sinch)	VoIP	0
231-365	Wolverine	Interactive Services Network	Landline	0
231-366	Fruitport	Lumen (Level 3)	VoIP	0
231-367	Wolverine	Onvoy (Sinch)	VoIP	0
231-368	Baldwin	Interactive Services Network	Landline	0
231-369		Ace Tel. Co. of Michigan	Landline	0
231-370	Muskegon	T-Mobile	Wireless	0
231-371	Tustin	Bandwidth	VoIP	0
231-372	Evart	Interactive Services Network	Landline	0
231-373	Petoskey	Verizon Wireless	Wireless	0
231-374	Shelby	Onvoy (Sinch)	VoIP	0
231-375	Muskegon	Verizon Wireless	Wireless	0
231-376	Twining	Onvoy (Sinch)	VoIP	0
231-377	Clam Lake	Frontier	Landline	0
231-378		Ace Tel. Co. of Michigan	Landline	0
231-379	Onekama	Bandwidth	VoIP	0
231-380	Newaygo	T-Mobile	Wireless	0
231-381	White Cloud	Charter IP Enabled Services	Landline	0
231-383	Beulah	Verizon Wireless	Wireless	0
231-384	Kalkaska	Verizon Wireless	Wireless	0
231-385	Coral	Onvoy (Sinch)	VoIP	0
231-386	Northport	AT&T	Landline	0
231-387	Petoskey	AT&T Mobility	Wireless	0
231-388	Leroy	Verizon Wireless	Wireless	0
231-389	Harrietta	AT&T	Landline	0
231-390	Big Rapids	T-Mobile	Wireless	0
231-391	Walloon Lk	Bandwidth	VoIP	0
231-392	Traverse City	T-Mobile	Wireless	0
231-393	Leroy	Onvoy (Sinch)	VoIP	0
231-394		Verizon Wireless	Wireless	0
231-395	Grant	Interactive Services Network	Landline	0
231-396	Cadillac	Onvoy (Sinch)	VoIP	0
231-397	Manistee	T-Mobile	Wireless	0
231-398	Manistee	AT&T	Landline	0
231-399	Frankfort	Acd Telecom	Landline	0
231-400	Alanson	Onvoy (Sinch)	VoIP	1
231-401	Traverse City	Peninsula Fiber Network	Landline	0
231-402	Muskegon	Onvoy (Sinch)	VoIP	0
231-403		AT&T Enterprises	Landline	0
231-404	Stanwood	AT&T Mobility	Wireless	0
231-405	Alden	Onvoy (Sinch)	VoIP	0
231-406	Falmouth	Onvoy (Sinch)	VoIP	0
231-407	Mecosta	Onvoy (Sinch)	VoIP	0
231-408	Big Rapids	AT&T Mobility	Wireless	0
231-409	Traverse City	AT&T Mobility	Wireless	0
231-410	Manistee	AT&T Mobility	Wireless	0
231-412	Harbor Springs	Bandwidth	VoIP	0
231-413	Kalkaska	T-Mobile	Wireless	0
231-414	Newaygo	AT&T Mobility	Wireless	0
231-415	Dublin	Charter IP Enabled Services	Landline	0
231-416	Big Rapids	American Messaging Services	Landline	0
231-417	Petoskey	AT&T	VoIP	0
231-418	Marion	Onvoy (Sinch)	VoIP	0
231-419	Bellaire	Onvoy (Sinch)	VoIP	0
231-420	Cheboygan	Verizon Wireless	Wireless	0
231-421	Traverse City	Charter IP Enabled Services	Landline	0
231-422	Pellston	Lumen (CenturyLink)	Landline	0
231-423	Evart	Bandwidth	VoIP	0
231-424	Carrollton	Acd Telecom	Landline	0
231-425	Ludington	T-Mobile	Wireless	0
231-426	Ravenna	Onvoy (Sinch)	VoIP	0
231-427	Mackinaw City	AT&T Enterprises	Landline	0
231-428	Muskegon	Onvoy (Sinch)	VoIP	0
231-429	Cadillac	Verizon Wireless	Wireless	0
231-430	Boyne City	Onvoy (Sinch)	VoIP	0
231-431	Clam Lake	Onvoy (Sinch)	VoIP	0
231-432	Northport	AT&T Mobility	Wireless	0
231-433		Verizon Wireless	Wireless	0
231-434	Manton	AT&T Mobility	Wireless	0
231-435	Eastport	Onvoy (Sinch)	VoIP	0
231-436	Mackinaw City	Up Fiber	Landline	0
231-437	Charlevoix	T-Mobile	Wireless	0
231-438	Harbor Springs	Onvoy (Sinch)	VoIP	0
231-439	Petoskey	AT&T	Landline	0
231-440	Baldwin	123.Net	Landline	0
231-441	Fife Lake	123.Net	Landline	0
231-442	Harrietta	Peerless Network	VoIP	0
231-443	Honor	Onvoy (Sinch)	VoIP	0
231-444	Cadillac	Onvoy (Sinch)	VoIP	0
231-445	Cheboygan	Verizon Wireless	Wireless	0
231-446	Northport	Onvoy (Sinch)	VoIP	0
231-447	Holton	Onvoy (Sinch)	VoIP	0
231-448	St. James	Island Tel	Landline	0
231-449	Baldwin	Charter IP Enabled Services	Landline	0
231-450	Hesperia	AT&T Mobility	Wireless	0
231-451		Onvoy (Sinch)	VoIP	0
231-452	Newaygo	Comcast (Xfinity)	VoIP	0
231-453	Holton	Charter IP Enabled Services	Landline	0
231-454	Traverse City	T-Mobile (Metro)	Wireless	0
231-455	Pentwater	Onvoy (Sinch)	VoIP	0
231-456	Golden	AT&T Mobility	Wireless	0
231-457	Muskegon	Acd Telecom	Landline	0
231-459	Boyne City	Windstream (PAETEC)	VoIP	0
231-460	Big Rapids	Onvoy (Sinch)	VoIP	0
231-462	Fountain	AT&T	Landline	0
231-463	Traverse City	Verizon Wireless	Wireless	0
231-464	Free Soil	AT&T	Landline	0
231-465	Reed City	AT&T Mobility	Wireless	0
231-466	Evart	Onvoy (Sinch)	VoIP	0
231-468	Cadillac	T-Mobile	Wireless	0
231-469	Muskegon	AT&T Mobility	Wireless	0
231-475	Manton	Bandwidth	VoIP	0
231-477	Brethren	Kaleva Tel	Landline	0
231-480	Ludington	Lumen (Level 3)	VoIP	0
231-484	East Jordan	AT&T	VoIP	0
231-486	Traverse City	Verizon Business	VoIP	0
231-487	Petoskey	AT&T	Landline	0
231-488	Manistee	123.Net	Landline	0
231-489	Petoskey	Peninsula Fiber Network	Landline	0
231-492	Traverse City	Verizon Wireless	Wireless	0
231-493	Traverse City	T-Mobile	Wireless	0
231-494	Big Rapids	American Messaging Services	Landline	0
231-495	Bellaire	AT&T Mobility	Wireless	0
231-497	Boyne City	AT&T Mobility	Wireless	0
231-498	Elk Rapids	Lumen (Level 3)	VoIP	0
231-499	Traverse City	Verizon Wireless	Wireless	0
231-500	Whitehall	Onvoy (Sinch)	VoIP	0
231-508	Onekama	Kaleva Telephone	Landline	0
231-510	Manistee	AT&T Mobility	Wireless	0
231-512	Traverse City	American Messaging Services	Landline	0
231-514	Cadillac	American Messaging Services	Landline	0
231-515	Evart	Acd Telecom	Landline	0
231-516	Petoskey	American Messaging Services	Landline	0
231-518	Kalkaska	Lumen (Level 3)	VoIP	0
231-519	Newaygo	Verizon Wireless	Wireless	0
231-520	Charlevoix	123.Net	Landline	0
231-522	Luther	123.Net	Landline	0
231-525	Wolverine	AT&T	Landline	0
231-526	Harbor Springs	AT&T	Landline	0
231-527	Big Rapids	AT&T	Landline	0
231-529	Brutus	Brightspeed of Michigan	Landline	0
231-531	Muskegon	T-Mobile (Metro)	Wireless	0
231-533	Bellaire	Frontier	Landline	0
231-534	Traverse City	AT&T	Landline	0
231-535	Walloon Lk	AT&T	Landline	0
231-536	East Jordan	AT&T	Landline	0
231-537	Levering	Brightspeed of Michigan	Landline	0
231-538	Fremont	123.Net	Landline	0
231-539	Pellston	AT&T	Landline	0
231-544	Central Lake	Frontier	Landline	0
231-545	Boyne Falls	Charter IP Enabled Services	Landline	1
231-546	Elmira	Brightspeed of Michigan	Landline	0
231-547	Charlevoix	AT&T	Landline	0
231-548	Alanson	Brightspeed of Michigan	Landline	0
231-549	Boyne Falls	Brightspeed of Michigan	Landline	0
231-550	Petoskey	T-Mobile (Metro)	Wireless	0
231-552	Charlevoix	T-Mobile	Wireless	0
231-557	Muskegon	Verizon Wireless	Wireless	0
231-559	McBain	Bandwidth	VoIP	0
231-563	Muskegon	AT&T Mobility	Wireless	0
231-564	Kalkaska	AT&T Mobility	Wireless	1
231-566	Harrietta	Ton80 Communications	VoIP	0
231-567	Muskegon	AT&T	VoIP	0
231-568	Traverse City	123.Net	Landline	0
231-569	Petoskey	American Messaging Services	Landline	0
231-570	Fife Lake	AT&T Mobility	Wireless	0
231-571	Muskegon	Frontier	Landline	0
231-577	Cadillac	Lumen (Level 3)	VoIP	0
231-578	Muskegon	T-Mobile	Wireless	0
231-580	Big Rapids	T-Mobile	Wireless	0
231-581	Alabaster	Charter IP Enabled Services	Landline	0
231-582	Boyne City	AT&T	Landline	0
231-583	Ludington	123.Net	Landline	0
231-584	Alabaster	Pigeon Tel	Landline	0
231-585	Lake	Pigeon Tel	Landline	0
231-587	Mancelona	AT&T	Landline	0
231-588	Ellsworth	Frontier	Landline	0
231-590	Traverse City	Verizon Wireless	Wireless	0
231-591	Big Rapids	AT&T	Landline	0
231-592	Big Rapids	AT&T	Landline	0
231-593	Cadillac	Spok (paging)	Pager	0
231-594	Hart	Twilio	VoIP	0
231-596	Harbor Springs	Spok (paging)	Pager	0
231-597	Cheboygan	AT&T	Landline	0
231-598	Big Rapids	AT&T Mobility	Wireless	0
231-599	Eastport	Frontier	Landline	0
231-600	Traverse City	Fractel	VoIP	0
231-604	Kalkaska	Spok (paging)	Pager	0
231-605	Newaygo	Spok (paging)	Pager	0
231-608	Frankfort	Spok (paging)	Pager	0
231-613	Scottville	AT&T Mobility	Wireless	0
231-614	Pentwater	123.Net	Landline	0
231-615	Cheboygan	American Messaging Services	Landline	0
231-620	Traverse City	AT&T Mobility	Wireless	0
231-622	Petoskey	Lumen (Level 3)	VoIP	0
231-624	Kalkaska	T-Mobile	Wireless	0
231-625	Cheboygan	AT&T	Landline	0
231-626	Levering	Charter IP Enabled Services	Landline	0
231-627	Cheboygan	AT&T	Landline	0
231-629	Big Rapids	T-Mobile	Wireless	0
231-631	Traverse City	Verizon Wireless	Wireless	0
231-632	Traverse City	AT&T Mobility	Wireless	0
231-633	Traverse City	AT&T Mobility	Wireless	0
231-634	Bois Blanc	Island Tel	Landline	0
231-635	Mackinaw City	123.Net	Landline	0
231-636	Howard City	123.Net	Landline	0
231-637	Northport	Interactive Services Network	Landline	0
231-638	Muskegon	T-Mobile	Wireless	0
231-639	Beulah	123.Net	Landline	0
231-640	Lake Ann	AT&T Mobility	Wireless	0
231-642	Traverse City	T-Mobile	Wireless	0
231-643	Morley	123.Net	Landline	0
231-645	Traverse City	AT&T Mobility	Wireless	0
231-646	Ellsworth	Frontier	Landline	0
231-647	Coral	Interactive Services Network	Landline	0
231-648	Howard City	Lumen (Level 3)	VoIP	0
231-649	Traverse City	Verizon Wireless	Wireless	0
231-651	Beulah	AT&T Mobility	Wireless	0
231-652	Newaygo	AT&T	Landline	0
231-655	Manistee	Verizon Wireless	Wireless	0
231-656	Kalkaska	123.Net	Landline	0
231-660	Big Rapids	123.Net	Landline	0
231-663	Mesick	Ton80 Communications	VoIP	0
231-666	Muskegon	Onvoy (Sinch)	VoIP	0
231-667	Marion	AT&T Mobility	Wireless	0
231-668	Traverse City	Lumen (Level 3)	VoIP	0
231-670	Muskegon	Verizon Wireless	Wireless	0
231-672	Muskegon	AT&T	VoIP	0
231-674	Grant	Lumen (Level 3)	VoIP	0
231-675	Boyne City	AT&T Mobility	Wireless	0
231-676	Bellaire	AT&T Mobility	Wireless	0
231-678	Brethren	Acd Telecom	Landline	0
231-679	Big Rapids	Verizon Wireless	Wireless	0
231-680	Reed City	Lumen (Level 3)	VoIP	0
231-681	Fruitport	Frontier	Landline	0
231-682	Alden	Interactive Services Network	Landline	0
231-683	Muskegon	Lumen (Level 3)	VoIP	0
231-685	Ravenna	Charter IP Enabled Services	Landline	0
231-686	Frankfort	123.Net	Landline	0
231-688	Merritt	Fractel	VoIP	0
231-689	White Cloud	AT&T	Landline	0
231-690	Ludington	Verizon Wireless	Wireless	0
231-695	Howard City	Interactive Services Network	Landline	0
231-699	Fountain	Ton80 Communications	VoIP	0
231-707	Newaygo	Onvoy (Sinch)	VoIP	0
231-709	Traverse City	AT&T Mobility	Wireless	0
231-712	Muskegon	American Messaging Services	Landline	0
231-714	Traverse City	Verizon Wireless	Wireless	0
231-715	Traverse City	AT&T Mobility	Wireless	0
231-719	Muskegon	Frontier	Landline	0
231-720	Muskegon	Frontier	Landline	0
231-721	Hart	123.Net	Landline	0
231-722	Muskegon	Frontier	Landline	0
231-723	Manistee	AT&T	Landline	0
231-724	Muskegon	Frontier	Landline	0
231-725	Muskegon	Frontier	Landline	0
231-726	Muskegon	Frontier	Landline	0
231-727	Muskegon	Frontier	Landline	0
231-728	Muskegon	Frontier	Landline	0
231-729	Irons	AT&T Mobility	Wireless	0
231-730	Muskegon	AT&T Mobility	Wireless	0
231-731	Shelby	123.Net	Landline	0
231-732	Morley	Onvoy (Sinch)	VoIP	0
231-733	Muskegon	Frontier	Landline	0
231-734	Evart	AT&T	Landline	0
231-735	Traverse City	Verizon Wireless	Wireless	0
231-736	Muskegon	Frontier	Landline	0
231-737	Muskegon	Frontier	Landline	0
231-739	Muskegon	Frontier	Landline	0
231-740	Muskegon	Verizon Wireless	Wireless	0
231-742	Hart	AT&T Mobility	Wireless	0
231-743	Marion	AT&T	Landline	0
231-744	Muskegon	Frontier	Landline	0
231-745	Baldwin	AT&T	Landline	0
231-746	Cheboygan	Ton80 Communications	VoIP	0
231-747	Muskegon	Frontier	Landline	0
231-750	Muskegon	AT&T Mobility	Wireless	0
231-751	Walloon Lk	Onvoy (Sinch)	VoIP	0
231-753	Petoskey	Windstream (PAETEC)	VoIP	0
231-755	Muskegon	Frontier	Landline	0
231-757	Scottville	AT&T	Landline	0
231-758	Petoskey	T-Mobile	Wireless	0
231-759	Muskegon	Frontier	Landline	0
231-760	Muskegon	Frontier	Landline	0
231-762	Amble	Michigan Central Broadband Company	Landline	0
231-763	Amble	Charter IP Enabled Services	Landline	0
231-764	Fife Lake	Interactive Services Network	Landline	0
231-766	Muskegon	Frontier	Landline	0
231-767	Muskegon	Frontier	Landline	0
231-768	Leroy	AT&T	Landline	0
231-769	Muskegon	Frontier	Landline	0
231-771	Elk Rapids	Onvoy (Sinch)	VoIP	0
231-772	Wellston	Ton80 Communications	VoIP	0
231-773	Muskegon	Frontier	Landline	0
231-774		Acd Telecom	Landline	0
231-775	Cadillac	AT&T	Landline	0
231-776	Petoskey	123.Net	Landline	0
231-777	Muskegon	Frontier	Landline	0
231-778	Traverse City	123.Net	Landline	0
231-779	Cadillac	AT&T	Landline	0
231-780	Muskegon	Frontier	Landline	0
231-782	Cheboygan	123.Net	Landline	0
231-786	Traverse City	Fractel	VoIP	1
231-787	White Cloud	Onvoy (Sinch)	VoIP	0
231-788	Muskegon	Frontier	Landline	0
231-790	Free Soil	Windstream (PAETEC)	VoIP	0
231-791	Reed City	Windstream (PAETEC)	VoIP	0
231-792	Mancelona	123.Net	Landline	0
231-793	White Cloud	AT&T Enterprises	Landline	0
231-794	Manistee	AT&T Mobility	Wireless	0
231-796	Big Rapids	AT&T	Landline	0
231-797	Luther	AT&T	Landline	0
231-798	Muskegon	Frontier	Landline	0
231-799	Muskegon	Frontier	Landline	0
231-800	Luther	Onvoy (Sinch)	VoIP	0
231-803	Morley	Lumen (Level 3)	VoIP	0
231-805	Kaleva	Acd Telecom	Landline	0
231-806	Coral	123.Net	Landline	0
231-808	Central Lake	123.Net	Landline	0
231-813	Ludington	123.Net	Landline	0
231-818	Cheboygan	AT&T Mobility	Wireless	0
231-819	Tustin	Onvoy (Sinch)	VoIP	0
231-821	Holton	Frontier	Landline	0
231-822	Beulah	Interactive Services Network	Landline	0
231-823	Stanwood	Frontier	Landline	0
231-824	Manton	AT&T	Landline	0
231-825	McBain	AT&T	Landline	0
231-826	Falmouth	Brightspeed of Northern Michigan	Landline	0
231-828	Twining	Frontier	Landline	0
231-829	Tustin	AT&T	Landline	0
231-830	Muskegon	Frontier	Landline	0
231-831	East Jordan	Onvoy (Sinch)	VoIP	0
231-832	Reed City	AT&T	Landline	0
231-833	Wolverine	AT&T Mobility	Wireless	0
231-834	Grant	AT&T	Landline	0
231-835	Golden	AT&T Mobility	Wireless	0
231-836	Evart	123.Net	Landline	0
231-837	Fremont	American Messaging Services	Landline	0
231-838	Petoskey	AT&T Mobility	Wireless	0
231-839	Lake City	Brightspeed of Michigan	Landline	0
231-842	Cadillac	123.Net	Landline	0
231-843	Ludington	Frontier	Landline	0
231-844	Indianfields	Lumen (Level 3)	VoIP	0
231-845	Ludington	Frontier	Landline	0
231-846	Cadillac	T-Mobile	Wireless	0
231-848	Wellston	Kaleva Tel	Landline	0
231-852	Ludington	AT&T Mobility	Wireless	0
231-853	Ravenna	Frontier	Landline	0
231-854	Hesperia	Frontier	Landline	0
231-855	Muskegon	AT&T Mobility	Wireless	0
231-856	Morley	AT&T	Landline	0
231-859	Dublin	Kaleva Tel	Landline	0
231-861	Shelby	Frontier	Landline	0
231-862		Ace Tel. Co. of Michigan	Landline	0
231-864	Bear Lake	Brightspeed of Michigan	Landline	0
231-865	Fruitport	Frontier	Landline	0
231-866	Suttons Bay	AT&T Mobility	Wireless	0
231-867		Brightspeed of Central Michigan	Landline	0
231-869	Pentwater	Frontier	Landline	0
231-871	Beulah	AT&T Mobility	Wireless	0
231-872	Reed City	AT&T Mobility	Wireless	0
231-873	Hart	Frontier	Landline	0
231-874	Wolverine	123.Net	Landline	0
231-875	Fruitport	Bandwidth	VoIP	0
231-876	Cadillac	AT&T	Landline	0
231-877	Northport	123.Net	Landline	0
231-878	Cadillac	Verizon Wireless	Wireless	0
231-879	Fife Lake	AT&T	Landline	0
231-880	Muskegon	Skyetel	Landline	0
231-881	Petoskey	AT&T Mobility	Wireless	0
231-882	Beulah	AT&T	Landline	0
231-883	Traverse City	AT&T Mobility	Wireless	0
231-884	Cadillac	AT&T Mobility	Wireless	0
231-885	Mesick	Ace Tel. Co. of Michigan	Landline	0
231-886	Kalkaska	AT&T Mobility	Wireless	0
231-887	Manistee	AT&T Mobility	Wireless	0
231-888	Twining	Onvoy (Sinch)	VoIP	0
231-889	Onekama	AT&T	Landline	0
231-890	Traverse City	AT&T	Landline	0
231-893	Whitehall	Frontier	Landline	0
231-894	Whitehall	Frontier	Landline	0
231-898	Carrollton	Carr Tel	Landline	0
231-899	Northport	123.Net	Landline	0
231-900	Muskegon	Fractel	VoIP	0
231-902	Hart	Interactive Services Network	Landline	0
231-903	Muskegon	Lumen (Level 3)	VoIP	0
231-907	Ludington	AT&T Mobility	Wireless	0
231-908	McBain	123.Net	Landline	0
231-912	Reed City	AT&T Mobility	Wireless	0
231-916	Mancelona	Lumen (Level 3)	VoIP	0
231-920	Cadillac	AT&T Mobility	Wireless	0
231-922	Traverse City	AT&T	Landline	0
231-923	Hart	T-Mobile	Wireless	0
231-924	Fremont	AT&T	Landline	0
231-925	Scottville	123.Net	Landline	0
231-928	Fremont	AT&T	Landline	0
231-929	Traverse City	AT&T	Landline	0
231-930	Beulah	Acd Telecom	Landline	0
231-932	Traverse City	AT&T	Landline	0
231-933	Traverse City	AT&T	Landline	0
231-935	Traverse City	AT&T	Landline	0
231-936	Scottville	Windstream (PAETEC)	VoIP	0
231-937	Howard City	Frontier	Landline	0
231-938	Traverse City	AT&T	Landline	0
231-939	Petoskey	AT&T Mobility	Wireless	0
231-941	Traverse City	AT&T	Landline	0
231-942	Cadillac	Verizon Wireless	Wireless	0
231-943	Traverse City	AT&T	Landline	0
231-944	Traverse City	Cynergycomm.Net	Landline	0
231-946	Traverse City	AT&T	Landline	0
231-947	Traverse City	AT&T	Landline	0
231-955	Muskegon	AT&T Mobility	Wireless	0
231-963	McBain	Ton80 Communications	VoIP	0
231-966	Free Soil	Ton80 Communications	VoIP	0
231-968	Cadillac	Bandwidth	VoIP	0
231-970	Bear Lake	AT&T Mobility	Wireless	0
231-972	Mecosta	Brightspeed of Central Michigan	Landline	0
231-974	Grant	123.Net	Landline	0
231-977	Mackinaw City	Fractel	VoIP	0
231-981	Whitehall	Frontier	Landline	0
231-994		Acd Telecom	Landline	0
231-995	Traverse City	AT&T	Landline	0
231-999	Central Lake	Onvoy (Sinch)	VoIP	0

Area code 231 questions

Where is area code 231?

Area code 231 is in Michigan. Its biggest rate centers are Muskegon, Traverse City, Petoskey, Cadillac, Big Rapids.

What time zone is area code 231?

Area code 231 is in the Eastern time zone.

Is a call from area code 231 a scam?

An area code alone can't tell you. Scammers use and spoof numbers in every area code. 5 231 numbers have been flagged on ShadyCall. Look up the full number to see its reports and FTC/FCC complaints.

What carriers use area code 231?

Of its 572 exchanges, the most were assigned to AT&T, AT&T Mobility, Onvoy (Sinch). Numbers can be ported to any carrier, so the exchange shows the original carrier only.