The 303 Area Code (or Area Code 303) is located in the state of CO. Area Code 303 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 3.1 million unique phone numbers and 10.9 million individuals near the city of Denver
Area code 303 was put into service. In 1988 Area code 303 was split to form area code 719. In 1995 area code 303 was split to form area code 970. In 1998 area code 303 was overlaid with area code 720.
Allenspark, Aurora, Bennett, Brighton, Byers, Deer Trail, Denver, Englewood, Fort Lupton, Golden, Hudson, Idaho Springs, Keenesburg, Littleton, Longmont, Louisville, Lyons, Roggen, Sedalia, Strasburg.
PREFIX | COUNTY | CITY | CARRIER | TYPE |
---|---|---|---|---|
303-414 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-415 | Denver | Denver | Qwest Corporation | Landline |
303-416 | Denver | Denver | Global Crossing Local Services, Inc.-Co | Landline |
303-417 | Boulder | Boulder | Qwest Corporation | Landline |
303-418 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-419 | Denver | Denver | Sprint Spectrum L.p. | Wireless |
303-420 | Denver | Denver | Qwest Corporation | Landline |
303-421 | Jefferson | Arvada | Qwest Corporation | Landline |
303-422 | Denver | Denver | Qwest Corporation | Landline |
303-423 | Denver | Denver | Qwest Corporation | Landline |
303-424 | Denver | Denver | Qwest Corporation | Landline |
303-425 | Jefferson | Arvada | Qwest Corporation | Landline |
303-426 | Denver | Denver | Qwest Corporation | Landline |
303-427 | Denver | Denver | Qwest Corporation | Landline |
303-428 | Denver | Denver | Qwest Corporation | Landline |
303-429 | Adams | Westminster | Qwest Corporation | Landline |
303-430 | Denver | Denver | Qwest Corporation | Landline |
303-431 | Denver | Denver | Qwest Corporation | Landline |
303-432 | Denver | Denver | Qwest Corporation | Landline |
303-433 | Denver | Denver | Qwest Corporation | Landline |
303-434 | Denver | Denver | Sprint Spectrum L.p. | Wireless |
303-435 | Denver | Denver | Sprint Spectrum L.p. | Wireless |
303-436 | Denver | Denver | Qwest Corporation | Landline |
303-437 | Arapahoe | Englewood | Sprint Spectrum L.p. | Wireless |
303-438 | Denver | Denver | Qwest Corporation | Landline |
303-439 | Denver | Denver | Qwest Corporation | Landline |
303-440 | Denver | Denver | Qwest Corporation | Landline |
303-441 | Boulder | Boulder | Qwest Corporation | Landline |
303-442 | Denver | Denver | Qwest Corporation | Landline |
303-443 | Denver | Denver | Qwest Corporation | Landline |
303-444 | Denver | Denver | Qwest Corporation | Landline |
303-445 | Jefferson | Denver | Qwest Corporation | Landline |
303-446 | Denver | Denver | Qwest Corporation | Landline |
303-447 | Denver | Denver | Qwest Corporation | Landline |
303-448 | Denver | Denver | Qwest Corporation | Landline |
303-449 | Boulder | Boulder | Qwest Corporation | Landline |
303-450 | Denver | Denver | Qwest Corporation | Landline |
303-451 | Denver | Denver | Qwest Corporation | Landline |
303-452 | Denver | Denver | Qwest Corporation | Landline |
303-453 | Adams | Denver | Qwest Corporation | Landline |
303-454 | Denver | Denver | Qwest Corporation | Landline |
303-455 | Denver | Denver | Qwest Corporation | Landline |
303-456 | Denver | Denver | Qwest Corporation | Landline |
303-457 | Adams | Denver | Qwest Corporation | Landline |
303-458 | Denver | Denver | Qwest Corporation | Landline |
303-459 | Denver | Denver | Qwest Corporation | Landline |
303-460 | Denver | Denver | Qwest Corporation | Landline |
303-461 | Denver | Denver | Usa Mobility Wireless, Inc. | Wireless |
303-462 | Denver | Denver | Qwest Corporation | Landline |
303-463 | Denver | Denver | Qwest Corporation | Landline |
303-464 | Denver | Denver | Qwest Corporation | Landline |
303-465 | Broomfield | Broomfield | Qwest Corporation | Landline |
303-466 | Denver | Denver | Qwest Corporation | Landline |
303-467 | Denver | Denver | Qwest Corporation | Landline |
303-468 | Denver | Denver | Cbeyond Communications, Llc - CO | Landline |
303-469 | Broomfield | Broomfield | Qwest Corporation | Landline |
303-470 | Denver | Denver | Qwest Corporation | Landline |
303-471 | Denver | Denver | Qwest Corporation | Landline |
303-472 | Denver | Denver | Sprint Spectrum L.p. | Wireless |
303-473 | Boulder | Boulder | Qwest Corporation | Landline |
303-474 | Denver | Denver | Teleport Communications America, Llc - CO | Landline |
303-475 | Denver | Denver | New Cingular Wireless Pcs, Llc | Wireless |
303-476 | Denver | Denver | Mcimetro Access Transmission Services Llc | Landline |
303-477 | Denver | Denver | Qwest Corporation | Landline |
303-478 | Denver | Denver | New Cingular Wireless Pcs, Llc | Wireless |
303-479 | Adams | Brighton | Teleport Communications America, Llc - CO | Landline |
303-480 | Denver | Denver | Qwest Corporation | Landline |
303-481 | Denver | Denver | Mcimetro Access Transmission Services Llc | Landline |
303-482 | Denver | Denver | Global Crossing Local Services, Inc.-Co | Landline |
303-483 | Denver | Denver | Icg Telecom Group - CO | Landline |
Phone Number 303-955-3080 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3039553080 |
Update Time Mar-20-2024 |
Phone Number 303-979-2280 |
USAGE Landline |
City Littleton |
Operate Read more about who called from 3039792280 |
Update Time Mar-20-2024 |
Phone Number 303-673-0538 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3036730538 |
Update Time Mar-20-2024 |
Phone Number 303-970-2168 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3039702168 |
Update Time Mar-20-2024 |
Phone Number 303-381-0958 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3033810958 |
Update Time Mar-19-2024 |
Phone Number 303-722-1732 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3037221732 |
Update Time Mar-19-2024 |
Phone Number 303-600-3042 |
USAGE Landline |
City Aurora |
Operate Read more about who called from 3036003042 |
Update Time Mar-19-2024 |
Phone Number 303-238-1764 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3032381764 |
Update Time Mar-19-2024 |
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