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 |
| 520-513
| 0 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-513
| 1 |
Tucson |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-513
| 2 |
Tucson |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-513
| 3 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-513
| 4 |
Tucson |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-513
| 5 |
Tucson |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-513
| 6 |
Tucson |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-513
| 7 |
Tucson |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-513
| 8 |
Tucson |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-513
| 9 |
Tucson |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-514
| A |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-515
| A |
Sierra Vista |
AZ |
SRVSAZMADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-516
| A |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-517
| A |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
|
|
| 520-517
| 0 |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2021-05-27 |
|
| 520-517
| 1 |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2023-10-11 |
|
| 520-517
| 2 |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2021-12-24 |
|
| 520-517
| 3 |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2022-11-07 |
|
| 520-517
| 4 |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2023-03-25 |
|
| 520-517
| 5 |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2023-10-11 |
|
| 520-517
| 6 |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2024-02-14 |
|
| 520-517
| 7 |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2024-12-15 |
|
| 520-517
| 8 |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2024-08-11 |
|
| 520-517
| 9 |
Sacaton |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2024-12-15 |
|
| 520-518
| A |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 520-518
| 0 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 520-518
| 1 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 520-518
| 2 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 520-518
| 3 |
Casa Grande |
AZ |
PHNXAZ19DS3 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2012-04-29 |
|
| 520-518
| 4 |
Casa Grande |
AZ |
PHNXAZ19DS3 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2012-04-29 |
|
| 520-518
| 5 |
Casa Grande |
AZ |
PHNXAZMAX1Z |
318J COMCAST IP PHONE, LLC |
666 |
|
2010-02-09 |
|
| 520-518
| 6 |
Casa Grande |
AZ |
PHNXAZ19DS3 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2012-04-29 |
|
| 520-518
| 7 |
Casa Grande |
AZ |
PHNXAZ19DS3 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2012-04-29 |
|
| 520-518
| 8 |
Casa Grande |
AZ |
PHNXAZ19DS3 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2012-04-29 |
|
| 520-518
| 9 |
Casa Grande |
AZ |
PHNXAZ19DS3 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2012-04-29 |
|
| 520-519
| A |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-519
| 0 |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-519
| 1 |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-519
| 2 |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-519
| 3 |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-519
| 4 |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-519
| 5 |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-519
| 6 |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-519
| 7 |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-519
| 8 |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-519
| 9 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2005-12-16 |
|
| 520-520
| A |
Nogales |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
|
|
| 520-520
| 0 |
Nogales |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2022-11-27 |
|
| 520-520
| 1 |
Nogales |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2022-11-27 |
|
| 520-520
| 2 |
Nogales |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2022-11-27 |
|
<< 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.