Local Calling Guide
Area code/prefix search
NPA: 520
[Rate centres in NPA 520]
[Dial plan for NPA 520]
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 520-674
| 4 |
Sierra Vista |
AZ |
|
7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ |
668 |
|
2023-04-25 |
|
| 520-674
| 5 |
Sierra Vista |
AZ |
|
7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ |
668 |
|
2023-04-25 |
|
| 520-674
| 6 |
Sierra Vista |
AZ |
|
7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ |
668 |
|
2023-04-25 |
|
| 520-674
| 7 |
Sierra Vista |
AZ |
|
7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ |
668 |
|
2023-04-25 |
|
| 520-674
| 8 |
Sierra Vista |
AZ |
|
7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ |
668 |
|
2023-04-25 |
|
| 520-674
| 9 |
Sierra Vista |
AZ |
|
7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ |
668 |
|
2023-04-25 |
|
| 520-675
| A |
Tucson |
AZ |
TCSMAZCH00Z |
490J BOOST SUBSCRIBERCO L.L.C. |
668 |
|
|
|
| 520-675
| 0 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-07-22 |
|
| 520-675
| 1 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-07-22 |
|
| 520-675
| 2 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-07-22 |
|
| 520-675
| 3 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-07-22 |
|
| 520-675
| 4 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-07-22 |
|
| 520-675
| 5 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-07-22 |
|
| 520-675
| 6 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-07-22 |
|
| 520-675
| 7 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-07-22 |
|
| 520-675
| 8 |
Tucson |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-02-10 |
|
| 520-675
| 9 |
Tucson |
AZ |
TCSMAZCH00Z |
490J BOOST SUBSCRIBERCO L.L.C. |
668 |
|
2023-06-17 |
|
| 520-676
| A |
Willcox |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2025-07-21 |
|
| 520-676
| 5 |
Willcox |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2026-01-09 |
|
| 520-676
| 6 |
Willcox |
AZ |
|
145J TERRA NOVA TELECOM INC. |
668 |
|
2025-07-22 |
|
| 520-677
| A |
Casa Grande |
AZ |
PHNXAZ19DMD |
490J BOOST SUBSCRIBERCO L.L.C. |
666 |
|
|
|
| 520-677
| 0 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2023-09-08 |
|
| 520-677
| 1 |
Casa Grande |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2023-07-22 |
|
| 520-677
| 2 |
Casa Grande |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2023-07-22 |
|
| 520-677
| 3 |
Casa Grande |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2023-07-22 |
|
| 520-677
| 4 |
Casa Grande |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2023-07-22 |
|
| 520-677
| 5 |
Casa Grande |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2023-07-22 |
|
| 520-677
| 6 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2023-09-08 |
|
| 520-677
| 7 |
Casa Grande |
AZ |
PHNXAZ19DS3 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2023-07-13 |
|
| 520-677
| 8 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2023-07-05 |
|
| 520-677
| 9 |
Casa Grande |
AZ |
PHNXAZ19DMD |
490J BOOST SUBSCRIBERCO L.L.C. |
666 |
|
2023-07-03 |
|
| 520-678
| A |
Sierra Vista |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
|
|
| 520-679
| A |
Tombstone |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
|
|
| 520-679
| 0 |
Tombstone |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2023-07-23 |
|
| 520-679
| 1 |
Tombstone |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-07-24 |
|
| 520-679
| 4 |
Tombstone |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2024-07-17 |
|
| 520-679
| 6 |
Tombstone |
AZ |
|
321J HD CARRIER LLC |
668 |
|
2025-09-19 |
|
| 520-679
| 7 |
Tombstone |
AZ |
|
321J HD CARRIER LLC |
668 |
|
2025-09-19 |
|
| 520-679
| 8 |
Tombstone |
AZ |
TCSNAZMAX6Y |
073H TELNYX LLC |
668 |
|
2023-09-18 |
|
| 520-679
| 9 |
Tombstone |
AZ |
TCSMAZCHDS0 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
668 |
|
2023-08-10 |
|
| 520-680
| A |
Bisbee |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
|
|
| 520-680
| 0 |
Bisbee |
AZ |
TCSNAZMAX6Y |
073H TELNYX LLC |
668 |
|
2023-09-09 |
|
| 520-680
| 3 |
Bisbee |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-08-26 |
|
| 520-680
| 7 |
Bisbee |
AZ |
|
321J HD CARRIER LLC |
668 |
|
2025-09-19 |
|
| 520-680
| 8 |
Bisbee |
AZ |
|
321J HD CARRIER LLC |
668 |
|
2025-09-19 |
|
| 520-680
| 9 |
Bisbee |
AZ |
TCSMAZCHDS0 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
668 |
|
2023-10-21 |
|
| 520-681
| A |
Nogales |
AZ |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
|
|
| 520-681
| 0 |
Nogales |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2023-09-10 |
|
| 520-681
| 1 |
Nogales |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2023-10-23 |
|
| 520-681
| 2 |
Nogales |
AZ |
TCSNAZMAXMY |
732J NUSO, LLC |
668 |
|
2023-11-27 |
|
<< 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
Sponsored by: FiberConX Communications Ltd.
Like this site? We accept donations via PayPal.