Area Code 520 — Carriers, Line Types & Portability
Carrier breakdown and line-type data for area code 520 (AZ), across 250 analyzed numbers. Useful for bulk-validating 520 calling lists and spotting VoIP/ported numbers before you dial or text.
Carriers in area code 520
| Carrier | Numbers analyzed |
|---|---|
| Verizon Wireless | 135 |
| T-Mobile | 68 |
| AT&T | 42 |
| Bandwidth.com | 2 |
| Comcast | 1 |
| Centurylink | 1 |
| Dish Wireless | 1 |
Line types in 520
| Line type | Numbers analyzed |
|---|---|
| WIRELESS | 246 |
| CLEC | 3 |
| IPES | 1 |
Top rate centers
| Rate center | Numbers analyzed |
|---|---|
| TUCSON | 210 |
| SIERRAVIST | 20 |
| CASAGRANDE | 13 |
| NOGALES | 2 |
| PRESCOTT | 2 |
| WILLCOX | 1 |
| BISBEE | 1 |
| BENSON | 1 |
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