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 |
| 520-966
| 6 |
Silverbell |
AZ |
PHNXAZ19AMD |
965H FRACTEL, LLC |
666 |
|
2020-12-18 |
|
| 520-966
| 9 |
Silverbell |
AZ |
|
145J TERRA NOVA TELECOM INC. |
666 |
|
2025-07-20 |
|
| 520-971
| A |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-971
| 0 |
Tucson |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
2004-08-12 |
|
| 520-971
| 1 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-971
| 2 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-971
| 3 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-971
| 4 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-971
| 5 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-971
| 6 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-971
| 7 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-971
| 8 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-971
| 9 |
Tucson |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-975
| A |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
|
|
| 520-977
| A |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-977
| 0 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-977
| 1 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-977
| 2 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-977
| 3 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-977
| 4 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-977
| 5 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-977
| 6 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-977
| 7 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-977
| 8 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-977
| 9 |
Tucson |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-979
| A |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-979
| 0 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-979
| 1 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-979
| 2 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-979
| 3 |
Tucson |
AZ |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2008-09-04 |
|
| 520-979
| 4 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2004-07-20 |
|
| 520-979
| 5 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2004-07-20 |
|
| 520-979
| 6 |
Tucson |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
2004-07-20 |
|
| 520-979
| 7 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2004-05-25 |
|
| 520-979
| 8 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2004-05-25 |
|
| 520-979
| 9 |
Tucson |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-980
| A |
Nogales |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-980
| 0 |
Nogales |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-980
| 1 |
Nogales |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-980
| 2 |
Nogales |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-980
| 3 |
Nogales |
AZ |
TCSNAZMAX3Y |
624H ONVOY SPECTRUM, LLC |
668 |
|
2021-07-25 |
|
| 520-980
| 4 |
Nogales |
AZ |
TCSMAZCHDS0 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
668 |
|
2022-03-19 |
|
| 520-980
| 5 |
Nogales |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-980
| 6 |
Nogales |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-980
| 7 |
Nogales |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-980
| 8 |
Nogales |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2022-03-11 |
|
| 520-980
| 9 |
Nogales |
AZ |
TCSMAZCHDS0 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
668 |
|
2020-12-07 |
|
| 520-981
| A |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-981
| 0 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-981
| 1 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
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Last updated: Sat, 04 Jul 2026 13:07:56 UTC
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