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 |
| 520-451
| 3 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2021-12-12 |
|
| 520-451
| 4 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2021-12-12 |
|
| 520-451
| 5 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2021-12-30 |
|
| 520-451
| 6 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2021-12-13 |
|
| 520-451
| 7 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2021-12-13 |
|
| 520-451
| 8 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2021-12-13 |
|
| 520-451
| 9 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2021-12-13 |
|
| 520-452
| A |
Sierra Vista |
AZ |
SRVSAZMADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-453
| A |
Tombstone |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
|
|
| 520-453
| 0 |
Tombstone |
AZ |
TCSMAZCH9MD |
939H COMMIO, LLC |
668 |
|
2021-06-11 |
|
| 520-453
| 1 |
Tombstone |
AZ |
TCSNAZMAX6Y |
073H TELNYX LLC |
668 |
|
2020-11-21 |
|
| 520-453
| 2 |
Tombstone |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2020-11-24 |
|
| 520-453
| 3 |
Tombstone |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2020-11-24 |
|
| 520-453
| 4 |
Tombstone |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2020-09-10 |
|
| 520-453
| 5 |
Tombstone |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2020-09-10 |
|
| 520-453
| 7 |
Tombstone |
AZ |
TCSMAZCHEMD |
321J HD CARRIER LLC |
668 |
|
2020-11-15 |
|
| 520-453
| 8 |
Tombstone |
AZ |
TCSMAZCHEMD |
321J HD CARRIER LLC |
668 |
|
2020-11-15 |
|
| 520-453
| 9 |
Tombstone |
AZ |
TCSMAZCHDS0 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
668 |
|
2021-01-03 |
|
| 520-454
| A |
Sierra Vista |
AZ |
SRVSAZMADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-454
| 0 |
Sierra Vista |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
2009-03-15 |
|
| 520-454
| 1 |
Sierra Vista |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
2009-03-15 |
|
| 520-454
| 2 |
Sierra Vista |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
2009-03-15 |
|
| 520-454
| 3 |
Sierra Vista |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
2009-03-15 |
|
| 520-454
| 4 |
Sierra Vista |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
2009-03-15 |
|
| 520-454
| 5 |
Sierra Vista |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
2009-03-15 |
|
| 520-454
| 6 |
Sierra Vista |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
2009-03-15 |
|
| 520-454
| 7 |
Sierra Vista |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
2009-03-15 |
|
| 520-454
| 8 |
Sierra Vista |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
2009-03-15 |
|
| 520-454
| 9 |
Sierra Vista |
AZ |
|
9636 QWEST CORPORATION |
668 |
|
2009-03-15 |
|
| 520-455
| A |
Nogales |
AZ |
PTGNAZELRS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-455
| 0 |
Nogales |
AZ |
PTGNAZELRS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-455
| 1 |
Nogales |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2022-04-12 |
|
| 520-455
| 2 |
Nogales |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
2007-03-08 |
|
| 520-455
| 3 |
Nogales |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2006-01-08 |
|
| 520-455
| 4 |
Nogales |
AZ |
PTGNAZELRS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-455
| 5 |
Nogales |
AZ |
PTGNAZELRS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-455
| 6 |
Nogales |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2021-08-08 |
|
| 520-455
| 7 |
Nogales |
AZ |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2008-01-23 |
|
| 520-455
| 8 |
Nogales |
AZ |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2008-01-23 |
|
| 520-455
| 9 |
Nogales |
AZ |
PTGNAZELRS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-456
| A |
Sierra Vista |
AZ |
SRVSAZNORS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-456
| 0 |
Sierra Vista |
AZ |
SRVSAZNORS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-456
| 1 |
Sierra Vista |
AZ |
SRVSAZNORS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-456
| 2 |
Sierra Vista |
AZ |
SRVSAZNORS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-456
| 3 |
Sierra Vista |
AZ |
SRVSAZNORS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-456
| 4 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2003-06-23 |
|
| 520-456
| 5 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2003-05-05 |
|
| 520-456
| 6 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2003-05-05 |
|
| 520-456
| 7 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2003-04-28 |
|
| 520-456
| 8 |
Sierra Vista |
AZ |
SRVSAZNORS1 |
9636 QWEST CORPORATION |
668 |
|
|
|
<< 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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