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 |
| 520-854
| 6 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-854
| 7 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-854
| 8 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-854
| 9 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| A |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| 0 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| 1 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| 2 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| 3 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| 4 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| 5 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| 6 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| 7 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| 8 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-855
| 9 |
Sierra Vista |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2024-12-06 |
|
| 520-858
| A |
Casa Grande |
AZ |
CSGRAZMADS0 |
9636 QWEST CORPORATION |
666 |
|
|
|
| 520-858
| 0 |
Casa Grande |
AZ |
PHNDAZ91DS5 |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
666 |
|
2008-07-28 |
|
| 520-858
| 1 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2010-01-21 |
|
| 520-858
| 2 |
Casa Grande |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2011-02-15 |
|
| 520-858
| 3 |
Casa Grande |
AZ |
TEMPAZNR5MD |
6529 T-MOBILE USA, INC. |
666 |
|
2011-09-29 |
|
| 520-858
| 4 |
Casa Grande |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2011-02-05 |
|
| 520-858
| 5 |
Casa Grande |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2010-03-20 |
|
| 520-858
| 6 |
Casa Grande |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2010-05-08 |
|
| 520-858
| 7 |
Casa Grande |
AZ |
CSGRAZMADS0 |
9636 QWEST CORPORATION |
666 |
|
2007-12-07 |
|
| 520-858
| 8 |
Casa Grande |
AZ |
CSGRAZMADS0 |
9636 QWEST CORPORATION |
666 |
|
2007-12-07 |
|
| 520-858
| 9 |
Casa Grande |
AZ |
TEMPAZNR5MD |
6529 T-MOBILE USA, INC. |
666 |
|
2010-01-08 |
|
| 520-860
| A |
Nogales |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
|
|
| 520-860
| 0 |
Nogales |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
|
|
| 520-860
| 1 |
Nogales |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2017-12-13 |
|
| 520-860
| 2 |
Nogales |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2017-12-13 |
|
| 520-860
| 3 |
Nogales |
AZ |
TCSNAZMAXIX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
668 |
|
2014-11-20 |
|
| 520-860
| 4 |
Nogales |
AZ |
TCSNAZMAXIX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
668 |
|
2014-11-20 |
|
| 520-860
| 5 |
Nogales |
AZ |
TCSNAZMAXIX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
668 |
|
2014-11-20 |
|
| 520-860
| 6 |
Nogales |
AZ |
TCSNAZMAXKX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
668 |
|
2011-10-06 |
|
| 520-860
| 7 |
Nogales |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2021-07-03 |
|
| 520-860
| 8 |
Nogales |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2017-11-01 |
|
| 520-860
| 9 |
Nogales |
AZ |
TCSMAZCHDS0 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
668 |
|
2021-03-21 |
|
| 520-861
| A |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-861
| 0 |
Tucson |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-861
| 1 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-861
| 2 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-861
| 3 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-861
| 4 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-861
| 5 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-861
| 6 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-861
| 7 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-861
| 8 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-861
| 9 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-866
| A |
Casa Grande |
AZ |
FLRNAZMARS1 |
9636 QWEST CORPORATION |
666 |
|
|
|
| 520-866
| 0 |
Casa Grande |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2014-09-25 |
|
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Last updated: Sat, 04 Jul 2026 13:07:56 UTC
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