Colorado
Area code 983
Area code 983 covers Denver, Longmont, Fort Lupton, Strasburg, Deckers and more in Colorado, in the Mountain time zone. It has been in service since 2022. It shares its area with 303, 720 (an overlay).
Most reported 983 numbers
Carriers in 983
Line types
Counted over the exchanges, from the carrier each was assigned to.
Cities in area code 983
Every 983 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 |
|---|---|---|---|---|
| 983-200 | Longmont | Nuso | Landline | 0 |
| 983-201 | Denver | AT&T | VoIP | 0 |
| 983-202 | Denver | Shelcomm | Landline | 0 |
| 983-203 | Denver | Onvoy (Sinch) | VoIP | 0 |
| 983-204 | Denver | Onvoy (Sinch) | VoIP | 0 |
| 983-205 | Strasburg | Shelcomm | Landline | 0 |
| 983-206 | Fort Lupton | Shelcomm | Landline | 0 |
| 983-207 | Longmont | Onvoy (Sinch) | VoIP | 0 |
| 983-208 | Denver | AT&T Mobility | Wireless | 0 |
| 983-209 | Fort Lupton | T-Mobile | Wireless | 0 |
| 983-210 | Denver | Bandwidth | VoIP | 0 |
| 983-212 | Denver | Onvoy (Sinch) | VoIP | 0 |
| 983-213 | Longmont | AT&T Mobility | Wireless | 0 |
| 983-214 | Denver | Onvoy (Sinch) | VoIP | 0 |
| 983-215 | Denver | AT&T Mobility | Wireless | 0 |
| 983-216 | Denver | Onvoy (Sinch) | VoIP | 0 |
| 983-217 | Denver | Verizon Wireless | Wireless | 0 |
| 983-218 | Denver | Verizon Wireless | Wireless | 0 |
| 983-219 | Denver | Wavenation | Landline | 0 |
| 983-220 | Denver | Telimize | Landline | 0 |
| 983-221 | Deckers | Onvoy (Sinch) | VoIP | 0 |
| 983-222 | Roggen | Leap Telecom | Landline | 0 |
| 983-223 | Longmont | Onvoy (Sinch) | VoIP | 0 |
| 983-224 | Denver | Tpx Communications | Landline | 0 |
| 983-225 | Denver | Onvoy (Sinch) | VoIP | 0 |
| 983-226 | Longmont | Onvoy (Sinch) | VoIP | 0 |
| 983-227 | Fort Lupton | Ahoi | Landline | 0 |
| 983-228 | Denver | AT&T Mobility | Wireless | 0 |
| 983-229 | Denver | Onvoy (Sinch) | VoIP | 0 |
| 983-230 | Longmont | Onvoy (Sinch) | VoIP | 0 |
| 983-231 | Denver | Verizon Wireless | Wireless | 0 |
| 983-232 | Denver | Onvoy (Sinch) | VoIP | 0 |
| 983-233 | Denver | Voip Innovations | VoIP | 0 |
| 983-277 | Denver | Opentact | Landline | 0 |
| 983-333 | Denver | Wide Voice | Landline | 0 |
| 983-444 | Denver | Wide Voice | Landline | 0 |
| 983-456 | Denver | AT&T | VoIP | 0 |
| 983-500 | Strasburg | Wide Voice | Landline | 0 |
| 983-587 | Denver | Opentact | Landline | 0 |
| 983-666 | Keenesburg | Onvoy (Sinch) | VoIP | 0 |
| 983-777 | Denver | Wide Voice | Landline | 0 |
| 983-800 | Denver | Wide Voice | Landline | 0 |
| 983-880 | Denver | 8X8 | VoIP | 0 |
| 983-888 | Denver | Wide Voice | Landline | 0 |
| 983-900 | Denver | Ahoi | Landline | 0 |
| 983-955 | Denver | Allo Communications | Landline | 0 |
| 983-983 | Longmont | Onvoy (Sinch) | VoIP | 0 |
| 983-999 | Denver | Wide Voice | Landline | 0 |
Area code 983 questions
Where is area code 983?
Area code 983 is in Colorado. Its biggest rate centers are Denver, Longmont, Fort Lupton, Strasburg, Deckers.
What time zone is area code 983?
Area code 983 is in the Mountain time zone.
Is a call from area code 983 a scam?
An area code alone can't tell you. Scammers use and spoof numbers in every area code. Look up the full number to see its reports and FTC/FCC complaints.
What carriers use area code 983?
Of its 48 exchanges, the most were assigned to Onvoy (Sinch), Wide Voice, AT&T Mobility. Numbers can be ported to any carrier, so the exchange shows the original carrier only.
What area codes overlay 983?
983 shares its area with 303, 720. In an overlay, new numbers get the newer codes and you dial all ten digits.