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 |
| 520-434
| 0 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-434
| 1 |
Tucson |
AZ |
|
073H TELNYX LLC |
668 |
|
2025-09-05 |
|
| 520-434
| 2 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-434
| 3 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-434
| 4 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-434
| 5 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-434
| 6 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-434
| 7 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-434
| 8 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-434
| 9 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-435
| A |
Willcox |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-435
| 0 |
Willcox |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-09-10 |
|
| 520-435
| 1 |
Willcox |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2023-09-01 |
|
| 520-435
| 2 |
Willcox |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2023-09-01 |
|
| 520-435
| 3 |
Willcox |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2023-09-01 |
|
| 520-435
| 4 |
Willcox |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2023-09-01 |
|
| 520-435
| 5 |
Willcox |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2023-09-01 |
|
| 520-435
| 6 |
Willcox |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2023-09-01 |
|
| 520-435
| 7 |
Willcox |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2023-09-01 |
|
| 520-435
| 8 |
Willcox |
AZ |
TCSMAZCHDS0 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
668 |
|
2023-08-10 |
|
| 520-435
| 9 |
Willcox |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2023-08-04 |
|
| 520-436
| A |
Hayden |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
|
|
| 520-436
| 0 |
Hayden |
AZ |
TCSMAZCH7MD |
073H TELNYX LLC |
668 |
|
2019-12-26 |
|
| 520-436
| 1 |
Hayden |
AZ |
TCSMAZCHDS0 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
668 |
|
2020-01-15 |
|
| 520-436
| 2 |
Hayden |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2020-09-10 |
|
| 520-436
| 3 |
Hayden |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2020-09-10 |
|
| 520-436
| 4 |
Hayden |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2020-06-04 |
|
| 520-436
| 5 |
Hayden |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2020-06-04 |
|
| 520-436
| 6 |
Hayden |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2020-06-20 |
|
| 520-436
| 7 |
Hayden |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2019-12-02 |
|
| 520-436
| 8 |
Hayden |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2019-12-02 |
|
| 520-436
| 9 |
Hayden |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2020-11-24 |
|
| 520-437
| A |
Tucson |
AZ |
TCSNAZMAGT0 |
4793 XO ARIZONA, INC. |
668 |
|
|
|
| 520-437
| 0 |
Tucson |
AZ |
TCSNAZMAGT0 |
4793 XO ARIZONA, INC. |
668 |
|
2006-05-21 |
|
| 520-437
| 1 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2007-03-09 |
|
| 520-437
| 2 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-06-26 |
|
| 520-437
| 3 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-06-26 |
|
| 520-437
| 4 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-06-26 |
|
| 520-437
| 5 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-06-26 |
|
| 520-437
| 6 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2006-07-06 |
|
| 520-437
| 7 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-07-22 |
|
| 520-437
| 8 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-07-22 |
|
| 520-437
| 9 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-07-13 |
|
| 520-438
| A |
Whitlow |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
|
|
| 520-438
| 0 |
Whitlow |
AZ |
PHNXAZ19DS3 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2019-12-03 |
|
| 520-438
| 1 |
Whitlow |
AZ |
PHNXAZ28VMD |
073H TELNYX LLC |
666 |
|
2020-08-20 |
|
| 520-438
| 2 |
Whitlow |
AZ |
|
883K AHOI LLC |
666 |
|
2026-05-22 |
|
| 520-438
| 3 |
Whitlow |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2020-05-26 |
|
| 520-438
| 4 |
Whitlow |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2020-05-26 |
|
| 520-438
| 5 |
Whitlow |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2020-09-10 |
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 >>
Last updated: Sat, 04 Jul 2026 13:07:56 UTC
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