Home > Area Codes > 303

303 Area Code

The 303 area code is located within the US. 303 covers this state: CO

Cities within the 303- area code include:

Denver
Fort Lupton

Here are the carriers for 303:

Metrocall
American Messaging
Contact Paging Of Colorado
Cellular One Of Ne Colorado
T Mobile Usa
Blue Licenses Holding
Sprint Spectrum
Elbert County Wireless
Level 3 Communications
Qwest Corporation
Communications Unlimited
Icg Telecom Group
Nextwave Telecom Inc Dba Nextwave

Other area codes within the same state (CO) as (303) include:

To find out who owns a specific 303 phone number, run a reverse phone search!

Additional resources:

303 Reverse Phone Lookup >>