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 |
---|---|---|---|---|
303-343 | Denver | Denver | Qwest Corporation | Landline |
303-344 | Arapahoe | Aurora | Qwest Corporation | Landline |
303-345 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-346 | Denver | Denver | Qwest Corporation | Landline |
303-347 | Denver | Denver | Qwest Corporation | Landline |
303-348 | Denver | Denver | Qwest Corporation | Landline |
303-349 | Denver | Denver | Cellco Partnership Dba Verizon Wireless - CO | Wireless |
303-350 | Denver | Denver | New Cingular Wireless Pcs, Llc | Landline |
303-351 | Douglas | Deckers | Onvoy, Llc - CO | Landline |
303-352 | Denver | Denver | Qwest Corporation | Landline |
303-353 | Denver | Denver | Comcast Phone Of Colorado, Llc - CO | Landline |
303-354 | Denver | Denver | Teleport Communications America, Llc - CO | Landline |
303-355 | Denver | Denver | Qwest Corporation | Landline |
303-356 | Arapahoe | Englewood | Sprint Spectrum L.p. | Wireless |
303-357 | Denver | Denver | Mcimetro Access Transmission Services Llc | Landline |
303-358 | Denver | Denver | Cellco Partnership Dba Verizon Wireless - CO | Wireless |
303-359 | Denver | Denver | T-Mobile Usa, Inc. | Wireless |
303-360 | Arapahoe | Aurora | Qwest Corporation | Landline |
303-361 | Denver | Denver | Qwest Corporation | Landline |
303-362 | Denver | Denver | Teleport Communications America, Llc - CO | Landline |
303-363 | Denver | Denver | Qwest Corporation | Landline |
303-364 | Arapahoe | Aurora | Qwest Corporation | Landline |
303-365 | Denver | Denver | Qwest Corporation | Landline |
303-366 | Denver | Denver | Qwest Corporation | Landline |
303-367 | Denver | Denver | Qwest Corporation | Landline |
303-368 | Arapahoe | Aurora | Qwest Corporation | Landline |
303-369 | Denver | Denver | Qwest Corporation | Landline |
303-370 | Denver | Denver | Qwest Corporation | Landline |
303-371 | Denver | Denver | Qwest Corporation | Landline |
303-372 | Denver | Denver | Qwest Corporation | Landline |
303-373 | Denver | Denver | Qwest Corporation | Landline |
303-374 | Denver | Denver | Teleport Communications America, Llc - CO | Landline |
303-375 | Denver | Denver | Qwest Corporation | Landline |
303-376 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-377 | Denver | Denver | Qwest Corporation | Landline |
303-378 | Denver | Denver | New Cingular Wireless Pcs, Llc | Wireless |
303-379 | Denver | Denver | Teleport Communications America, Llc - CO | Landline |
303-380 | Denver | Denver | Qwest Corporation | Landline |
303-381 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-382 | Denver | Denver | Qwest Corporation | Landline |
303-383 | Denver | Denver | Qwest Corporation | Landline |
303-384 | Jefferson | Golden | Qwest Corporation | Landline |
303-385 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-386 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-387 | Denver | Denver | Qwest Corporation | Landline |
303-388 | Denver | Denver | ||
303-389 | Denver | Denver | Qwest Corporation | Landline |
303-390 | Denver | Denver | Mcimetro Access Transmission Services Llc | Landline |
303-391 | Denver | Denver | Qwest Corporation | Landline |
303-392 | Arapahoe | Englewood | Contact Paging Of Colorado, Inc. | Wireless |
303-393 | Denver | Denver | Qwest Corporation | Landline |
303-394 | Denver | Denver | Qwest Corporation | Landline |
303-395 | Denver | Denver | Global Crossing Local Services, Inc.-Co | Landline |
303-396 | Denver | Denver | Live Wire Networks, Inc. - CO | Landline |
303-397 | Denver | Denver | Qwest Corporation | Landline |
303-398 | Denver | Denver | Qwest Corporation | Landline |
303-399 | Denver | Denver | Qwest Corporation | Landline |
303-400 | Arapahoe | Aurora | Qwest Corporation | Landline |
303-401 | Denver | Denver | Qwest Corporation | Landline |
303-402 | Denver | Denver | Qwest Corporation | Landline |
303-403 | Denver | Denver | Qwest Corporation | Landline |
303-404 | Broomfield | Broomfield | Qwest Corporation | Landline |
303-405 | Denver | Denver | Qwest Corporation | Landline |
303-406 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-407 | Denver | Denver | Cbeyond Communications, Llc - CO | Landline |
303-408 | Denver | Denver | New Cingular Wireless Pcs, Llc | Landline |
303-409 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-410 | Denver | Denver | Qwest Corporation | Landline |
303-412 | Denver | Denver | Qwest Corporation | Landline |
303-413 | Boulder | Boulder | Qwest Corporation | 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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