Local Calling Guide
Area code/prefix search
NPA: 520
[Rate centres in NPA 520]
[Dial plan for NPA 520]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 520-764
| 0 |
Casa Grande |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2025-12-22 |
|
| 520-764
| 1 |
Casa Grande |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2025-12-22 |
|
| 520-764
| 2 |
Casa Grande |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-01-03 |
|
| 520-764
| 3 |
Casa Grande |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-01-03 |
|
| 520-764
| 4 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2026-02-05 |
|
| 520-764
| 5 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2025-12-21 |
|
| 520-764
| 6 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2025-12-21 |
|
| 520-764
| 7 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2025-12-21 |
|
| 520-764
| 8 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2025-12-21 |
|
| 520-764
| 9 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2025-12-21 |
|
| 520-765
| A |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2026-03-05 |
|
| 520-765
| 0 |
Casa Grande |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-03-06 |
|
| 520-765
| 1 |
Casa Grande |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-03-06 |
|
| 520-765
| 2 |
Casa Grande |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2026-03-21 |
|
| 520-765
| 3 |
Casa Grande |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-05-01 |
|
| 520-765
| 4 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2026-03-05 |
|
| 520-765
| 5 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2026-03-05 |
|
| 520-765
| 6 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2026-03-05 |
|
| 520-765
| 7 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2026-03-05 |
|
| 520-765
| 8 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2026-03-05 |
|
| 520-765
| 9 |
Casa Grande |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2026-03-05 |
|
| 520-766
| A |
Willcox |
AZ |
WLCXAZACDS0 |
183D VALLEY CONNECTIONS, L.L.C. - AZ |
668 |
|
|
|
| 520-767
| A |
Casa Grande |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-05-29 |
|
| 520-767
| 0 |
Casa Grande |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2026-06-28 |
|
| 520-767
| 1 |
Casa Grande |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2026-08-28 |
|
| 520-767
| 8 |
Casa Grande |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-05-29 |
|
| 520-767
| 9 |
Casa Grande |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-05-29 |
|
| 520-770
| A |
Tucson |
AZ |
TCSNAZMADS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-770
| 0 |
Tucson |
AZ |
TCSNAZMADS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-770
| 1 |
Tucson |
AZ |
TCSNAZMADS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-770
| 2 |
Tucson |
AZ |
TCSNAZMADS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-770
| 3 |
Tucson |
AZ |
TCSNAZMADS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-770
| 4 |
Tucson |
AZ |
TCSNAZMADS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-770
| 5 |
Tucson |
AZ |
TCSNAZMADS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-770
| 6 |
Tucson |
AZ |
TCSMAZSJAMD |
7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ |
668 |
|
2006-06-23 |
|
| 520-770
| 7 |
Tucson |
AZ |
TCSNAZMADS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-770
| 8 |
Tucson |
AZ |
TCSNAZMADS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-770
| 9 |
Tucson |
AZ |
TCSNAZMADS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-771
| A |
Tucson |
AZ |
TCSMAZCH0MD |
197D VONAGE AMERICA LLC |
668 |
|
|
|
| 520-771
| 0 |
Tucson |
AZ |
TCSMAZCH0MD |
197D VONAGE AMERICA LLC |
668 |
|
2018-02-10 |
|
| 520-771
| 1 |
Tucson |
AZ |
TCSNAZMAXCY |
318J COMCAST IP PHONE, LLC |
668 |
|
2018-08-11 |
|
| 520-771
| 2 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2018-10-28 |
|
| 520-771
| 3 |
Tucson |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
2019-02-10 |
|
| 520-771
| 4 |
Tucson |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
2019-02-10 |
|
| 520-771
| 5 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2018-11-05 |
|
| 520-771
| 6 |
Tucson |
AZ |
TCSNAZMAXCY |
318J COMCAST IP PHONE, LLC |
668 |
|
2018-06-28 |
|
| 520-771
| 7 |
Tucson |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
2019-02-03 |
|
| 520-771
| 8 |
Tucson |
AZ |
TCSNAZMAXCY |
318J COMCAST IP PHONE, LLC |
668 |
|
2018-06-28 |
|
| 520-771
| 9 |
Tucson |
AZ |
TCSNAZMAXCY |
318J COMCAST IP PHONE, LLC |
668 |
|
2018-06-28 |
|
| 520-772
| A |
Superior |
AZ |
PHNXAZ19CMD |
516J TON80 COMMUNICATIONS, LLC |
666 |
|
|
|
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Last updated: Sat, 04 Jul 2026 13:07:56 UTC
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