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The 303 area code is located in Colorado near DENVER-MAIN. According to Intelius data, this area code covers roughly 3,075,438 phone numbers, including 1,509,507 mobile numbers and 1,565,931 landline numbers.
Have you received a call from a number with a 303 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.
| NXX Prefix | (303) 200-XXXX |
|---|---|
| Wire Center (WC) | Denver Main |
| Zone | Denver |
| Primary Carrier/Company | Comcast |
| Operating Company Numbers (OCN) | 7378 318J |
| Line Types (LTYPE) | Landline VoIP |
| Country | US |
| State | CO |
| County | Denver |
| Area Code Population | 713,252 |
| Land Area | 153.292 square miles |
| FIPS Code | 08031 |
| Time Zone | Mountain Time |
| ZIP Codes | 80001, 80002, 80003, 80004 |
| NXX Prefix | (303) 719-XXXX |
|---|---|
| Wire Center (WC) | Englewood Meridian |
| Zone | Deer Trail |
| Primary Carrier/Company | YMax Communications |
| Operating Company Numbers (OCN) | 320E |
| Line Types (LTYPE) | Landline |
| Country | US |
| State | CO |
| County | Arapahoe |
| Area Code Population | 655,808 |
| Land Area | 797.931 square miles |
| FIPS Code | 08005 |
| Time Zone | Mountain Time |
| ZIP Codes | 80105 |
| NXX Prefix | (303) 622-XXXX |
|---|---|
| Wire Center (WC) | Strasburg |
| Zone | Strasburg |
| Primary Carrier/Company | TDS |
| Operating Company Numbers (OCN) | 2207 624H 026D |
| Line Types (LTYPE) | Wireless, PCS, Cellular Landline |
| Country | US |
| State | CO |
| County | Adams |
| Area Code Population | 527,575 |
| Land Area | 1166.257 square miles |
| FIPS Code | 08001 |
| Time Zone | Mountain Time |
| ZIP Codes | 80136 |
| NXX Prefix | (303) 838-XXXX |
|---|---|
| Wire Center (WC) | Bailey |
| Zone | Deckers |
| Primary Carrier/Company | CenturyLink |
| Operating Company Numbers (OCN) | 9636 |
| Line Types (LTYPE) | Landline |
| Country | US |
| State | CO |
| County | Douglas |
| Area Code Population | 375,988 |
| Land Area | 840.25 square miles |
| FIPS Code | 08035 |
| Time Zone | Mountain Time |
| ZIP Codes | 80135, 80421 |
