California

Area code 831

Area code 831 covers Salinas, Santa Cruz, Monterey, Watsonville, Hollister and more in California, in the Pacific time zone. It has been in service since 1998.

WhereCalifornia

Time zonePacific

Exchanges406

Flagged numbers933 complaints

Most reported 831 numbers

(831) 275-8074CautionTelemarketer / sales6 complaints (831) 313-1469CautionHealth insurance / Medicare5 complaintsMedicare / Medicaid (831) 274-7040CautionTelemarketer / sales4 complaints (831) 231-2405CautionTelemarketer / sales3 complaints (831) 293-0759CautionDebt relief / loans3 complaintsCredit card debt (831) 580-2671CautionRobocall / recorded message3 complaints (831) 230-2111CautionTelemarketer / sales3 complaints (831) 867-5023CautionTelemarketer / sales3 complaints (831) 230-2275CautionTelemarketer / sales3 complaints

Carriers in 831

AT&T134 44%
AT&T Mobility35 12%
Onvoy (Sinch)35 12%
Verizon Wireless30 10%
Lumen (Level 3)29 10%
IP Horizon14 5%
T-Mobile13 4%
T-Mobile (Metro)13 4%

Line types

Landline174 43%
VoIP / internet phone140 34%
Wireless (cell phone)92 23%

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

Cities in area code 831

SalinasSanta CruzMontereyWatsonvilleHollisterAptosCarmel-by-the-SeaBeaumont

Every 831 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
831-200	Monterey	Peerless Network	VoIP	0
831-201	Santa Cruz	AT&T Mobility	Wireless	0
831-202	Salinas	Verizon Business	VoIP	0
831-203	Salinas	Nuso	Landline	0
831-204	Monterey	Onvoy (Sinch)	VoIP	0
831-205	Hollister	AT&T	VoIP	0
831-206	Salinas	Verizon Wireless	Wireless	0
831-207	Hollister	T-Mobile	Wireless	0
831-208	Salinas	Verizon Wireless	Wireless	0
831-210	Salinas	T-Mobile	Wireless	0
831-212	Santa Cruz	T-Mobile (Metro)	Wireless	0
831-214	Salinas	AT&T Mobility	Wireless	0
831-215	Monterey	Hd Carrier	Landline	0
831-216	Felton	AT&T	VoIP	0
831-217		AT&T	VoIP	0
831-218	Beaumont	AT&T	VoIP	0
831-219	Aptos	AT&T	VoIP	0
831-220	Monterey	Vonage	VoIP	0
831-221	San Bernardino	IP Horizon	VoIP	0
831-222	Felton	Tpx Communications	Landline	0
831-223	Soledad	Lumen (Level 3)	VoIP	0
831-224	Monterey	T-Mobile	Wireless	0
831-225	Salinas	Lumen (CenturyLink)	Landline	0
831-226	Santa Cruz	AT&T Enterprises	Landline	0
831-227	Santa Cruz	Verizon Wireless	Wireless	0
831-228	Watsonville	Charter IP Enabled Services	Landline	0
831-229	Salinas	AT&T Mobility	Wireless	0
831-230	Monterey	Telnyx	VoIP	2
831-231	Greenfield	Onvoy (Sinch)	VoIP	1
831-232	Chualar	IP Horizon	VoIP	0
831-233	Monterey	Lumen (Level 3)	VoIP	0
831-234	Santa Cruz	Verizon Wireless	Wireless	0
831-235	Salinas	Verizon Wireless	Wireless	0
831-236	Monterey	Verizon Wireless	Wireless	0
831-237	Soledad	IP Horizon	VoIP	0
831-238	Carmel-by-the-Sea	AT&T Mobility	Wireless	0
831-239	Santa Cruz	AT&T Mobility	Wireless	0
831-240	Salinas	T-Mobile	Wireless	0
831-241	Monterey	AT&T	Landline	0
831-242	Monterey	AT&T	Landline	0
831-243	Salinas	Csc Wireless	Wireless	0
831-244	Banning	Bandwidth	VoIP	0
831-245	Hollister	Verizon Wireless	Wireless	0
831-246	Beaumont	Verizon Wireless	Wireless	0
831-247	Santa Cruz	Verizon Wireless	Wireless	0
831-249	Banning	AT&T Enterprises	Landline	0
831-250	Carmel-by-the-Sea	IP Horizon	VoIP	0
831-251	Aptos	AT&T Mobility	Wireless	0
831-252	Beaumont	AT&T Mobility	Wireless	0
831-253	Salinas	Tpx Communications	Landline	0
831-254	Watsonville	AT&T Mobility	Wireless	0
831-255	Santa Cruz	North County Communication	Landline	0
831-256	Salinas	Verizon Wireless	Wireless	0
831-257	Aptos	Onvoy (Sinch)	VoIP	0
831-258	Salinas	AT&T Mobility	Wireless	0
831-259	Monterey	Tpx Communications	Landline	0
831-260	Soledad	AT&T Mobility	Wireless	0
831-261	Salinas	AT&T Mobility	Wireless	0
831-262	Salinas	Verizon Wireless	Wireless	0
831-263	King City	IP Horizon	VoIP	0
831-264	Monterey	Bandwidth	VoIP	0
831-265	Hollister	AT&T Enterprises	Landline	0
831-266	Santa Cruz	T-Mobile	Wireless	0
831-267	Banning	Tpx Communications	Landline	0
831-268	Felton	Onvoy (Sinch)	VoIP	0
831-269	Salinas	AT&T	VoIP	0
831-270	Salinas	Tpx Communications	Landline	0
831-271	Hollister	Telnyx	VoIP	0
831-272	Salinas	Onvoy (Sinch)	VoIP	0
831-273	Salinas	Onvoy (Sinch)	VoIP	0
831-274	Watsonville	Lumen (Level 3)	VoIP	1
831-275	Monterey	Bandwidth	VoIP	1
831-276	Salinas	Telnyx	VoIP	0
831-277	Monterey	Verizon Wireless	Wireless	0
831-278	Beaumont	Verizon Wireless	Wireless	0
831-279	Salinas	Boost Subscriberco	Landline	0
831-280	Aptos	Commio	VoIP	0
831-281	Santa Cruz	Verizon Wireless	Wireless	0
831-282	Monterey	IP Horizon	VoIP	0
831-283	Carmel-by-the-Sea	Commio	VoIP	0
831-284	Watsonville	AT&T Mobility	Wireless	0
831-285	Watsonville	Bandwidth	VoIP	0
831-286	Greenfield	Onvoy (Sinch)	VoIP	0
831-287	Salinas	Bandwidth	VoIP	0
831-288	Watsonville	Charter IP Enabled Services	Landline	0
831-289	Beaumont	Comcast (Xfinity)	Landline	0
831-290	Gonzales	Tpx Communications	Landline	0
831-291	Santa Cruz	Verizon Wireless	Wireless	0
831-292	Soledad	AT&T Mobility	Wireless	0
831-293	Carmel-by-the-Sea	Lumen (Level 3)	VoIP	1
831-294	Salinas	AT&T Mobility	Wireless	0
831-295	Santa Cruz	T-Mobile	Wireless	0
831-296	Salinas	Lumen (Level 3)	VoIP	0
831-297	Hollister	T-Mobile	Wireless	0
831-298	Carmel-by-the-Sea	Onvoy (Sinch)	VoIP	0
831-299	Tres Pinos	Lumen (Level 3)	VoIP	0
831-300	Banning	Lumen (Level 3)	VoIP	0
831-301	San Juan Capistrano	Peerless Network	VoIP	0
831-302	San Diego	Lumen (Level 3)	VoIP	0
831-303	San Bernardino	Peerless Network	VoIP	0
831-304	Greenfield	Peerless Network	VoIP	0
831-305	Gonzales	Lumen (Level 3)	VoIP	0
831-306	Chualar	Lumen (Level 3)	VoIP	0
831-307	Castrovl	Lumen (Level 3)	VoIP	0
831-308	Carmel-by-the-Sea	Bandwidth	VoIP	0
831-309	Carmel-by-the-Sea	Bandwidth	VoIP	0
831-312	Monterey	Csc Voice	Landline	0
831-313	Hollister	Charter IP Enabled Services	Landline	1
831-314	Santa Cruz	Shelcomm	Landline	0
831-315	Soledad	Peerless Network	VoIP	0
831-316	Santa Cruz	Verizon Business	VoIP	0
831-317	Monterey	Leap Telecom	Landline	0
831-318	Aptos	Onvoy (Sinch)	VoIP	0
831-319	Watsonville	Verizon Business	VoIP	0
831-320	Salinas	Verizon Wireless	Wireless	0
831-321	Salinas	AT&T Mobility	Wireless	0
831-322	Watsonville	Onvoy (Sinch)	VoIP	0
831-324	Monterey	Comcast (Xfinity)	Landline	0
831-325	Santa Cruz	T-Mobile (Metro)	Wireless	0
831-326	Salinas	AT&T Mobility	Wireless	0
831-327	Hollister	AT&T Mobility	Wireless	0
831-328	Salinas	Onvoy (Sinch)	VoIP	0
831-329	Salinas	Nuso	Landline	0
831-330	Carmel-by-the-Sea	Onvoy (Sinch)	VoIP	0
831-331	Santa Cruz	AT&T Mobility	Wireless	0
831-332	Santa Cruz	AT&T Mobility	Wireless	0
831-333	Monterey	AT&T	Landline	0
831-334	Santa Cruz	AT&T Mobility	Wireless	0
831-335	Felton	AT&T	Landline	0
831-336	Beaumont	AT&T	Landline	0
831-337		Verizon Business	VoIP	0
831-338		AT&T	Landline	0
831-339	Gonzales	AT&T Mobility	Wireless	0
831-340	Santa Cruz	Verizon Wireless	Wireless	0
831-343	Salinas	Onvoy (Sinch)	VoIP	0
831-345	Santa Cruz	Verizon Wireless	Wireless	0
831-346	Santa Cruz	T-Mobile	Wireless	0
831-348	Watsonville	Fractel	VoIP	0
831-350	Tres Pinos	Lumen (Level 3)	VoIP	0
831-353	Watsonville	Onvoy (Sinch)	VoIP	0
831-356	Salinas	Fractel	VoIP	0
831-359	Santa Cruz	Lumen (Level 3)	VoIP	0
831-365	Santa Cruz	Onvoy (Sinch)	VoIP	0
831-366		Ton80 Communications	VoIP	0
831-372	Monterey	AT&T	Landline	0
831-373	Monterey	AT&T	Landline	0
831-375	Monterey	AT&T	Landline	0
831-382	San Diego	AT&T	Landline	0
831-383	Monterey	T-Mobile (Metro)	Wireless	0
831-384	Monterey	AT&T	Landline	0
831-385	King City	AT&T	Landline	0
831-386	King City	AT&T	Landline	0
831-387	King City	Bandwidth	VoIP	0
831-388	Greenfield	Onvoy (Sinch)	VoIP	0
831-389	Pinnacles	Pinnacles Tel	Landline	0
831-392	Monterey	AT&T	Landline	0
831-393	Monterey	AT&T	Landline	0
831-394	Monterey	AT&T	Landline	0
831-400	Santa Cruz	Voip Innovations	VoIP	0
831-401	Beaumont	Lumen (Level 3)	VoIP	0
831-402	Monterey	AT&T Mobility	Wireless	0
831-406	Watsonville	T-Mobile	Wireless	0
831-417	Salinas	Onvoy (Sinch)	VoIP	0
831-419	Santa Cruz	AT&T Mobility	Wireless	0
831-420	Santa Cruz	AT&T	Landline	0
831-421	Santa Cruz	AT&T	Landline	0
831-422	Salinas	AT&T	Landline	0
831-423	Santa Cruz	AT&T	Landline	0
831-424	Salinas	AT&T	Landline	0
831-425	Santa Cruz	AT&T	Landline	0
831-426	Santa Cruz	AT&T	Landline	0
831-427	Santa Cruz	AT&T	Landline	0
831-428	Santa Cruz	T-Mobile (Metro)	Wireless	0
831-429	Santa Cruz	AT&T	Landline	0
831-430	Santa Cruz	AT&T	Landline	0
831-431	Santa Cruz	AT&T	Landline	0
831-432		Fractel	VoIP	0
831-435	Santa Cruz	AT&T	Landline	0
831-438	Santa Cruz	AT&T	Landline	0
831-439	Santa Cruz	AT&T	Landline	0
831-440	Santa Cruz	AT&T	Landline	0
831-442	Salinas	AT&T	Landline	0
831-443	Salinas	AT&T	Landline	0
831-444	Salinas	AT&T	Landline	0
831-449	Salinas	AT&T	Landline	0
831-453	Castrovl	AT&T Enterprises	Landline	0
831-454	Santa Cruz	AT&T	Landline	0
831-455	Salinas	AT&T	Landline	0
831-457	Santa Cruz	AT&T	Landline	0
831-458	Santa Cruz	AT&T	Landline	0
831-459	Santa Cruz	AT&T	Landline	0
831-460	Santa Cruz	AT&T	Landline	0
831-461	Santa Cruz	AT&T	Landline	0
831-462	Santa Cruz	AT&T	Landline	0
831-464	Santa Cruz	AT&T	Landline	0
831-465	Santa Cruz	AT&T	Landline	0
831-466	Santa Cruz	AT&T	Landline	0
831-468	Monterey	Exiant Communications	Landline	0
831-469	Santa Cruz	AT&T	Landline	0
831-471	Santa Cruz	AT&T	Landline	0
831-475	Santa Cruz	AT&T	Landline	0
831-476	Santa Cruz	AT&T	Landline	0
831-477	Santa Cruz	AT&T	Landline	0
831-479	Santa Cruz	AT&T	Landline	0
831-480	Santa Cruz	Onvoy (Sinch)	VoIP	0
831-484	Salinas	AT&T	Landline	0
831-498	Watsonville	IP Horizon	VoIP	0
831-500	Salinas	T-Mobile (Metro)	Wireless	0
831-502	Santa Cruz	AT&T	Landline	0
831-508	Felton	IP Horizon	VoIP	0
831-512	Salinas	T-Mobile	Wireless	0
831-515	Santa Cruz	Tpx Communications	Landline	0
831-521	Monterey	AT&T Mobility	Wireless	0
831-524	Hollister	AT&T Mobility	Wireless	0
831-525	King City	Lumen (Level 3)	VoIP	0
831-529	Santa Cruz	Fractel	VoIP	0
831-531	Aptos	Verizon Business	VoIP	0
831-532	Beaumont	Onvoy (Sinch)	VoIP	0
831-533		Verizon Business	VoIP	0
831-534	Felton	Verizon Business	VoIP	0
831-535	Santa Cruz	Verizon Business	VoIP	0
831-536	Watsonville	Verizon Business	VoIP	0
831-537	Hollister	Verizon Wireless	Wireless	0
831-539	Watsonville	T-Mobile	Wireless	0
831-540	Salinas	Verizon Wireless	Wireless	0
831-566	Santa Cruz	Verizon Wireless	Wireless	0
831-572	Aptos	Utility Telecom Group	Landline	0
831-574	Carmel-by-the-Sea	Tpx Communications	Landline	0
831-576	Santa Cruz	Onvoy (Sinch)	VoIP	0
831-578	Salinas	AT&T Mobility	Wireless	0
831-580	Gonzales	IP Horizon	VoIP	1
831-582	Monterey	AT&T	Landline	0
831-583	Monterey	AT&T	Landline	0
831-585	Salinas	T-Mobile (Metro)	Wireless	0
831-586	San Juan Capistrano	IP Horizon	VoIP	0
831-587	Watsonville	Fractel	VoIP	0
831-588	Santa Cruz	Verizon Wireless	Wireless	0
831-593	San Juan Capistrano	Charter IP Enabled Services	Landline	0
831-594	Salinas	AT&T Mobility	Wireless	0
831-595	Salinas	AT&T Mobility	Wireless	0
831-596	Salinas	AT&T Mobility	Wireless	0
831-597	Salinas	Peerless Network	VoIP	0
831-600	Santa Cruz	Tpx Communications	Landline	0
831-601	Monterey	Verizon Wireless	Wireless	0
831-603	Aptos	Onvoy (Sinch)	VoIP	0
831-604	Beaumont	Onvoy (Sinch)	VoIP	0
831-607	Aptos	IP Horizon	VoIP	0
831-609	Beaumont	Onvoy (Sinch)	VoIP	0
831-610		Onvoy (Sinch)	VoIP	0
831-612	Aptos	Lumen (Level 3)	VoIP	0
831-613	Greenfield	Bandwidth	VoIP	0
831-618		Onvoy (Sinch)	VoIP	0
831-620	Carmel-by-the-Sea	AT&T	Landline	0
831-621	Santa Cruz	Lumen (Level 3)	VoIP	0
831-622	Carmel-by-the-Sea	AT&T	Landline	0
831-623	San Juan Capistrano	AT&T	Landline	0
831-624	Carmel-by-the-Sea	AT&T	Landline	0
831-625	Carmel-by-the-Sea	AT&T	Landline	0
831-626	Carmel-by-the-Sea	AT&T	Landline	0
831-627	San Bernardino	AT&T	Landline	0
831-628	Tres Pinos	AT&T	Landline	0
831-630	Hollister	AT&T	Landline	0
831-632	Castrovl	AT&T	Landline	0
831-633	Castrovl	AT&T	Landline	0
831-634	Hollister	AT&T	Landline	0
831-635	Hollister	AT&T	Landline	0
831-636	Hollister	AT&T	Landline	0
831-637	Hollister	AT&T	Landline	0
831-638	Hollister	AT&T	Landline	0
831-641	Monterey	AT&T	Landline	0
831-642	Monterey	AT&T	Landline	0
831-643	Monterey	AT&T	Landline	0
831-644	Monterey	AT&T	Landline	0
831-645	Monterey	AT&T	Landline	0
831-646	Monterey	AT&T	Landline	0
831-647	Monterey	AT&T	Landline	0
831-648	Monterey	AT&T	Landline	0
831-649	Monterey	AT&T	Landline	0
831-652	Carmel-by-the-Sea	Lumen (Level 3)	VoIP	0
831-653	San Diego	IP Horizon	VoIP	0
831-655	Monterey	AT&T	Landline	0
831-656	Monterey	AT&T	Landline	0
831-657	Monterey	AT&T	Landline	0
831-658	Monterey	AT&T	Landline	0
831-659	Carmel-by-the-Sea	AT&T	Landline	0
831-661	Aptos	AT&T	Landline	0
831-662	Aptos	AT&T	Landline	0
831-663	Salinas	AT&T	Landline	0
831-664	Hollister	Lumen (Level 3)	VoIP	0
831-665	Hollister	Lumen (Level 3)	VoIP	0
831-666	Watsonville	Onvoy (Sinch)	VoIP	0
831-667	Banning	AT&T	Landline	0
831-673	Hollister	AT&T Mobility	Wireless	0
831-674	Greenfield	AT&T	Landline	0
831-675	Gonzales	AT&T	Landline	0
831-676	Salinas	AT&T	Landline	0
831-677	Soledad	Matrix Telecom, LLC. S/I/I Tnci	Landline	0
831-678	Soledad	AT&T	Landline	0
831-679	Chualar	AT&T	Landline	0
831-682	Salinas	Verizon Wireless	Wireless	0
831-684	Aptos	AT&T	Landline	0
831-685	Aptos	AT&T	Landline	0
831-687	Aptos	AT&T	Landline	0
831-688	Aptos	AT&T	Landline	0
831-689	Aptos	AT&T	Landline	0
831-693	Idria	Pinnacles Tel	Landline	0
831-699	Felton	Fractel	VoIP	0
831-703		Lumen (Level 3)	VoIP	0
831-704	Felton	Onvoy (Sinch)	VoIP	0
831-705	Chualar	Tpx Communications	Landline	0
831-706	Santa Cruz	Lumen (Level 3)	VoIP	0
831-707	Watsonville	Lumen (Level 3)	VoIP	0
831-708	Aptos	Bandwidth	VoIP	0
831-709	Beaumont	Lumen (Level 3)	VoIP	0
831-710	Salinas	AT&T Mobility	Wireless	0
831-713	Santa Cruz	Verizon Wireless	Wireless	0
831-717	Monterey	Twilio	VoIP	0
831-718	Monterey	Verizon Business	VoIP	0
831-722	Watsonville	AT&T	Landline	0
831-724	Watsonville	AT&T	Landline	0
831-726	Watsonville	AT&T	Landline	0
831-728	Watsonville	AT&T	Landline	0
831-731	Castrovl	IP Horizon	VoIP	0
831-732	San Bernardino	Lumen (Level 3)	VoIP	0
831-737	Salinas	Tpx Communications	Landline	0
831-740	Watsonville	AT&T	VoIP	0
831-741	Castrovl	Lumen (Level 3)	VoIP	0
831-744	Gonzales	Verizon Wireless	Wireless	0
831-747	Monterey	AT&T Enterprises	Landline	0
831-750	Watsonville	T-Mobile	Wireless	0
831-751	Salinas	AT&T	Landline	0
831-753	Salinas	AT&T	Landline	0
831-754	Salinas	AT&T	Landline	0
831-755	Salinas	AT&T	Landline	0
831-756	Salinas	Utility Telecom Group	Landline	0
831-757	Salinas	AT&T	Landline	0
831-758	Salinas	AT&T	Landline	0
831-759	Salinas	AT&T	Landline	0
831-760	Monterey	T-Mobile (Metro)	Wireless	0
831-761	Watsonville	AT&T	Landline	0
831-763	Watsonville	AT&T	Landline	0
831-768	Watsonville	AT&T	Landline	0
831-769	Salinas	AT&T	Landline	0
831-770	Salinas	AT&T	Landline	0
831-771	Salinas	AT&T	Landline	0
831-772	Salinas	AT&T	Landline	0
831-774	Gonzales	T-Mobile (Metro)	Wireless	0
831-775	Salinas	AT&T	Landline	0
831-776	Salinas	T-Mobile (Metro)	Wireless	0
831-777	Santa Cruz	Onvoy (Sinch)	VoIP	0
831-778	San Diego	Lumen (Level 3)	VoIP	0
831-783	Salinas	AT&T	Landline	0
831-784	Salinas	AT&T	Landline	0
831-785	Salinas	T-Mobile (Metro)	Wireless	0
831-786	Watsonville	AT&T	Landline	0
831-788	Salinas	Fractel	VoIP	0
831-789	Salinas	Matrix Telecom, LLC. S/I/I Tnci	Landline	0
831-794	Salinas	T-Mobile (Metro)	Wireless	0
831-796	Salinas	AT&T	Landline	0
831-800	Salinas	Skyetel	Landline	0
831-801	Hollister	Verizon Wireless	Wireless	0
831-808	Soledad	Onvoy (Sinch)	VoIP	0
831-809	Salinas	Verizon Wireless	Wireless	0
831-818	Santa Cruz	Verizon Wireless	Wireless	0
831-821	Tres Pinos	Verizon Wireless	Wireless	0
831-824	Santa Cruz	AT&T	VoIP	0
831-830	King City	Onvoy (Sinch)	VoIP	0
831-833	Hollister	Commio	VoIP	0
831-837	Salinas	Ton80 Communications	VoIP	0
831-840	Watsonville	AT&T Mobility	Wireless	0
831-842	Aptos	Fractel	VoIP	0
831-844	Banning	Ton80 Communications	VoIP	0
831-850	Felton	Onvoy (Sinch)	VoIP	0
831-851	Watsonville	Onvoy (Sinch)	VoIP	0
831-854	Santa Cruz	Matrix Telecom, LLC. S/I/I Tnci	Landline	0
831-855	Monterey	Peerless Network	VoIP	0
831-856	Greenfield	Bandwidth	VoIP	0
831-859	Salinas	Hd Carrier	Landline	0
831-867	Monterey	Commio	VoIP	1
831-869	Monterey	T-Mobile (Metro)	Wireless	0
831-877	Carmel-by-the-Sea	Fractel	VoIP	0
831-880	Monterey	8X8	VoIP	0
831-881	Monterey	Wide Voice	Landline	0
831-883	Monterey	AT&T	Landline	0
831-884	Monterey	AT&T	Landline	0
831-886	Monterey	Nuso	Landline	0
831-887	Monterey	Terra Nova Telecom	Landline	0
831-888	Santa Cruz	Onvoy (Sinch)	VoIP	0
831-889	Santa Cruz	Utility Telecom Group	Landline	0
831-899	Monterey	AT&T	Landline	0
831-900	Santa Cruz	Onvoy (Sinch)	VoIP	0
831-901	Monterey	Wavenation	Landline	0
831-902	Hollister	T-Mobile (Metro)	Wireless	0
831-905	Salinas	AT&T Mobility	Wireless	0
831-915	Monterey	AT&T Mobility	Wireless	0
831-917	Monterey	AT&T Mobility	Wireless	0
831-920	Monterey	Lumen (Level 3)	VoIP	0
831-921	Tres Pinos	Lumen (Level 3)	VoIP	0
831-931	King City	Onvoy (Sinch)	VoIP	0
831-946	Santa Cruz	Fractel	VoIP	0
831-948	Watsonville	Utility Telecom Group	Landline	0
831-970	Salinas	T-Mobile	Wireless	0
831-975	Salinas	Comcast (Xfinity)	Landline	0
831-996	Tres Pinos	IP Horizon	VoIP	0
831-998	Salinas	Verizon Business	VoIP	0
831-999	Santa Cruz	Peerless Network	VoIP	0

Area code 831 questions

Where is area code 831?

Area code 831 is in California. Its biggest rate centers are Salinas, Santa Cruz, Monterey, Watsonville, Hollister.

What time zone is area code 831?

Area code 831 is in the Pacific time zone.

Is a call from area code 831 a scam?

An area code alone can't tell you. Scammers use and spoof numbers in every area code. 9 831 numbers have been flagged on ShadyCall. Look up the full number to see its reports and FTC/FCC complaints.

What carriers use area code 831?

Of its 406 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.