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 |
---|---|---|---|---|
303-200 | Denver | Denver | Teleport Communications America, Llc - CO | Landline |
303-201 | Denver | Denver | Usa Mobility Wireless, Inc. | Wireless |
303-202 | Denver | Denver | Qwest Corporation | Landline |
303-203 | Denver | Denver | American Messaging Services, Llc | Wireless |
303-204 | Denver | Denver | Cellco Partnership Dba Verizon Wireless - CO | Wireless |
303-205 | Jefferson | Denver | Qwest Corporation | Landline |
303-206 | Denver | Denver | Usa Mobility Wireless, Inc. | Wireless |
303-207 | Denver | Denver | Usa Mobility Wireless, Inc. | Wireless |
303-208 | Denver | Denver | Usa Mobility Wireless, Inc. | Wireless |
303-209 | Denver | Denver | Mcimetro Access Transmission Services Llc | Landline |
303-210 | Denver | Denver | Sprint Spectrum L.p. | Wireless |
303-212 | Denver | Denver | Contact Paging Of Colorado, Inc. | Wireless |
303-213 | Denver | Denver | Usa Mobility Wireless, Inc. | Wireless |
303-214 | Denver | Denver | Mcimetro Access Transmission Services Llc | Landline |
303-215 | Denver | Denver | Qwest Corporation | Landline |
303-216 | Denver | Denver | Qwest Corporation | Landline |
303-217 | Denver | Denver | Mcimetro Access Transmission Services Llc | Landline |
303-218 | Denver | Denver | ||
303-219 | Adams | Brighton | Mcimetro Access Transmission Services Llc | Landline |
303-220 | Denver | Denver | Qwest Corporation | Landline |
303-221 | Denver | Denver | Qwest Corporation | Landline |
303-222 | Denver | Denver | Mcimetro Access Transmission Services Llc | Landline |
303-223 | Denver | Denver | Global Crossing Local Services, Inc.-Co | Landline |
303-224 | Denver | Denver | Qwest Corporation | Landline |
303-225 | Denver | Denver | Global Crossing Local Services, Inc.-Co | Landline |
303-226 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-227 | Denver | Denver | Qwest Corporation | Landline |
303-228 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-229 | Denver | Denver | Cellco Partnership Dba Verizon Wireless - CO | Wireless |
303-230 | Denver | Denver | Usa Mobility Wireless, Inc. | Wireless |
303-231 | Denver | Denver | Qwest Corporation | Landline |
303-232 | Denver | Denver | Qwest Corporation | Landline |
303-233 | Denver | Denver | Qwest Corporation | Landline |
303-234 | Jefferson | Denver | Qwest Corporation | Landline |
303-235 | Denver | Denver | Qwest Corporation | Landline |
303-236 | Denver | Denver | Qwest Corporation | Landline |
303-237 | Denver | Denver | Qwest Corporation | Landline |
303-238 | Jefferson | Denver | Qwest Corporation | Landline |
303-239 | Denver | Denver | Qwest Corporation | Landline |
303-240 | Denver | Denver | Usa Mobility Wireless, Inc. | Wireless |
303-241 | Denver | Denver | Cellco Partnership Dba Verizon Wireless - CO | Wireless |
303-242 | Adams | Westminster | Mcimetro Access Transmission Services Llc | Landline |
303-243 | Denver | Denver | N.e. Colorado Cellular, Inc. | Wireless |
303-244 | Denver | Denver | Qwest Corporation | Landline |
303-245 | Denver | Denver | Qwest Corporation | Landline |
303-246 | Arapahoe | Englewood | Sprint Spectrum L.p. | Wireless |
303-247 | Denver | Denver | Qwest Corporation | Landline |
303-248 | Denver | Denver | Teleport Communications America, Llc - CO | Landline |
303-249 | Denver | Denver | New Cingular Wireless Pcs, Llc | Wireless |
303-250 | Denver | Denver | New Cingular Wireless Pcs, Llc | Wireless |
303-251 | Denver | Denver | Usa Mobility Wireless, Inc. | Wireless |
303-252 | Denver | Denver | ||
303-253 | Denver | Denver | Teleport Communications America, Llc - CO | Landline |
303-254 | Adams | Denver | Qwest Corporation | Landline |
303-255 | Denver | Denver | Qwest Corporation | Landline |
303-256 | Denver | Denver | Teleport Communications America, Llc - CO | Landline |
303-257 | Denver | Denver | Sprint Spectrum L.p. | Wireless |
303-258 | Boulder | Nederland | Qwest Corporation | Landline |
303-259 | Denver | Denver | American Messaging Services, Llc | Wireless |
303-260 | Denver | Denver | Qwest Corporation | Landline |
303-261 | Denver | Denver | Qwest Corporation | Landline |
303-262 | Adams | Denver | At&t Local | Landline |
303-263 | Denver | Denver | Cellco Partnership Dba Verizon Wireless - CO | Wireless |
303-264 | Denver | Denver | Teleport Communications America, Llc - CO | Landline |
303-265 | Denver | Denver | Qwest Corporation | Landline |
303-266 | Denver | Denver | Usa Mobility Wireless, Inc. | Wireless |
303-267 | Denver | Denver | Qwest Corporation | Landline |
303-268 | Denver | Denver | Icg Telecom Group - CO | Landline |
303-269 | Denver | Denver | Qwest Corporation | Landline |
303-270 | Denver | Denver | Qwest Corporation | Landline |
Phone Number 303-879-9496 |
USAGE Wireless |
City Denver |
Operate Read more about who called from 3038799496 |
Update Time Mar-31-2025 |
Phone Number 303-943-9452 |
USAGE Landline |
City Not available. |
Operate Read more about who called from 3039439452 |
Update Time Mar-31-2025 |
Phone Number 303-423-1851 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3034231851 |
Update Time Mar-31-2025 |
Phone Number 303-874-8606 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3038748606 |
Update Time Mar-31-2025 |
Phone Number 303-276-4174 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3032764174 |
Update Time Mar-31-2025 |
Phone Number 303-468-0374 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3034680374 |
Update Time Mar-31-2025 |
Phone Number 303-615-0065 |
USAGE Landline |
City Denver |
Operate Read more about who called from 3036150065 |
Update Time Mar-31-2025 |
Phone Number 303-879-3751 |
USAGE Wireless |
City Denver |
Operate Read more about who called from 3038793751 |
Update Time Mar-31-2025 |
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