Active Prefixes in Area Code 520
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 520-418-#### | Chandler | Landline Numbers | Gila River Telecomm,... |
| 520-419-#### | Tucson | Wireless Numbers | Cellco Partnership D... |
| 520-421-#### | Landline Numbers | Qwest Corporation... | |
| 520-422-#### | Tucson | Landline Numbers | At&t Local... |
| 520-423-#### | Casa Grande | Landline Numbers | Qwest Corporation... |
| 520-424-#### | Landline Numbers | Qwest Corporation... | |
| 520-425-#### | Tucson | Wireless Numbers | Cellco Partnership D... |
| 520-426-#### | Casa Grande | Landline Numbers | Qwest Corporation... |
| 520-427-#### | Tucson | Wireless Numbers | Sprint Spectrum L.p.... |
| 520-429-#### | Tucson | Wireless Numbers | Cellco Partnership D... |
| 520-430-#### | Laveen | Landline Numbers | Gila River Telecomm,... |
| 520-431-#### | Casa Grande | Wireless Numbers | New Cingular Wireles... |
| 520-432-#### | Bisbee | Landline Numbers | Qwest Corporation... |
| 520-433-#### | Tucson | Landline Numbers | Level 3 Communicatio... |
| 520-434-#### | Tucson | Landline Numbers | Qwest Corporation... |
| 520-437-#### | Tucson | Landline Numbers | Xo Arizona, Inc.... |
| 520-439-#### | Sierra Vista | Landline Numbers | Qwest Corporation... |
| 520-440-#### | Tucson | Wireless Numbers | T-mobile Usa, Inc.... |
| 520-441-#### | Tucson | Wireless Numbers | Leap Wireless Intl, ... |
| 520-442-#### | Tucson | Landline Numbers | Bandwidth.com Clec, ... |
| 520-443-#### | Tucson | Wireless Numbers | T-mobile Usa, Inc.... |
| 520-444-#### | Tucson | Wireless Numbers | Cellco Partnership D... |
| 520-445-#### | Tucson | Wireless Numbers | Leap Wireless Intl, ... |
| 520-446-#### | Tucson | Wireless Numbers | Usa Mobility Wireles... |
| 520-449-#### | Tucson | Wireless Numbers | Cellco Partnership D... |
| 520-450-#### | Casa Grande | Wireless Numbers | T-mobile Usa, Inc.... |
| 520-452-#### | Sierra Vista | Landline Numbers | Qwest Corporation... |
| 520-454-#### | Sierra Vista | Landline Numbers | Qwest Corporation... |
| 520-455-#### | Nogales | Landline Numbers | Qwest Corporation... |
| 520-456-#### | Huachuca City | Landline Numbers | Qwest Corporation... |
Area Code 520 Introduction
| Area Code: | 520 |
| Country: | United States |
| State/Province: | Arizona - AZ |
| Major City: | Tucson |
| Time Zone: | Mountain |
| Average property | $112K |
| Average age | 65 y/o |
| Average assets | $66.9K |
| Population density | 53,179 sq mi (137,733 km2) |
| Population | 2,978,204 |
| latitude Longitude: | |
| 33° 00′ N to 36° 30′ N / 89° 39′ W to 94° 37′ W | |
| About 520 : | |
| The 520 Area Code (or Area Code 520) is located in the state of AZ. Area Code 520 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 1.75 million unique phone numbers and 6.07 million individuals near the city of Hayden |
|
| Major cities or places | |
| Casa Grande, AZ>Catalina Foothills, AZ>Drexel Heights, AZ>Nogales, AZ>Oro Valley, AZ>Sierra Vista, AZ>Tucson, AZ | |