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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 520-225
| 5 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-225
| 6 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-225
| 7 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2005-06-02 |
|
| 520-225
| 8 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2005-06-04 |
|
| 520-225
| 9 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2005-06-24 |
|
| 520-226
| A |
Sierra Vista |
AZ |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
|
|
| 520-226
| 0 |
Sierra Vista |
AZ |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2005-02-07 |
|
| 520-226
| 1 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2006-07-17 |
|
| 520-226
| 2 |
Sierra Vista |
AZ |
|
145J TERRA NOVA TELECOM INC. |
668 |
|
2022-10-18 |
|
| 520-226
| 3 |
Sierra Vista |
AZ |
TCSNAZXGDS0 |
7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ |
668 |
|
2006-08-11 |
|
| 520-226
| 4 |
Sierra Vista |
AZ |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
|
|
| 520-226
| 5 |
Sierra Vista |
AZ |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2005-08-07 |
|
| 520-226
| 6 |
Sierra Vista |
AZ |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2006-05-26 |
|
| 520-226
| 7 |
Sierra Vista |
AZ |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2006-12-28 |
|
| 520-226
| 8 |
Sierra Vista |
AZ |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2007-03-03 |
|
| 520-226
| 9 |
Sierra Vista |
AZ |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2007-03-03 |
|
| 520-227
| A |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-227
| 0 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-227
| 1 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-227
| 2 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-227
| 3 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-227
| 4 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-227
| 5 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-227
| 6 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-227
| 7 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-227
| 8 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-227
| 9 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-228
| A |
Tucson |
AZ |
TCSNAZCRDS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-229
| A |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-229
| 0 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-229
| 1 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-229
| 2 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-229
| 3 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-229
| 4 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-229
| 5 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-229
| 6 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-229
| 7 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2005-06-24 |
|
| 520-229
| 8 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-229
| 9 |
Tucson |
AZ |
TCSNAZNODS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-230
| A |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
|
|
| 520-230
| 0 |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
|
|
| 520-230
| 1 |
Tucson |
AZ |
TCSNAZMAXIX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
668 |
|
2012-03-30 |
|
| 520-230
| 2 |
Tucson |
AZ |
TCSNAZMAXIX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
668 |
|
2012-03-30 |
|
| 520-230
| 3 |
Tucson |
AZ |
TCSNAZMAXIX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
668 |
|
2012-03-30 |
|
| 520-230
| 4 |
Tucson |
AZ |
TCSNAZ64NMD |
7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
668 |
|
2010-10-15 |
|
| 520-230
| 5 |
Tucson |
AZ |
TCSNAZMAXIX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
668 |
|
2012-04-05 |
|
| 520-230
| 6 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2012-04-03 |
|
| 520-230
| 7 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2010-02-22 |
|
| 520-230
| 8 |
Tucson |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2011-12-05 |
|
| 520-230
| 9 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2012-03-02 |
|
| 520-231
| A |
Whitlow |
AZ |
PHNXAZMAXQX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
|
|
| 520-231
| 0 |
Whitlow |
AZ |
PHNXAZ196MD |
073H TELNYX LLC |
666 |
|
2018-05-01 |
|
| 520-231
| 1 |
Whitlow |
AZ |
PHNXAZMAXQX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2018-05-17 |
|
| 520-231
| 2 |
Whitlow |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2016-05-03 |
|
| 520-231
| 3 |
Whitlow |
AZ |
PHNDAZ91DS5 |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
666 |
|
2017-02-24 |
|
| 520-231
| 4 |
Whitlow |
AZ |
PHNXAZMAXQX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2018-07-07 |
|
| 520-231
| 5 |
Whitlow |
AZ |
PHNXAZMAXQX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2016-05-09 |
|
| 520-231
| 6 |
Whitlow |
AZ |
PHNXAZMAXQX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2018-10-05 |
|
| 520-231
| 7 |
Whitlow |
AZ |
PHNXAZ19DS3 |
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2019-06-19 |
|
| 520-231
| 8 |
Whitlow |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2019-07-11 |
|
| 520-231
| 9 |
Whitlow |
AZ |
PHNXAZ196MD |
073H TELNYX LLC |
666 |
|
2019-05-20 |
|
| 520-232
| A |
Tucson |
AZ |
TCSNAZCADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-232
| 0 |
Tucson |
AZ |
TCSNAZCADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-232
| 1 |
Tucson |
AZ |
TCSNAZCADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-232
| 2 |
Tucson |
AZ |
TCSNAZEA5MD |
7184 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - AZ |
668 |
|
2005-03-18 |
|
| 520-232
| 3 |
Tucson |
AZ |
TCSNAZMAXCY |
318J COMCAST IP PHONE, LLC |
668 |
|
2004-10-27 |
|
| 520-232
| 4 |
Tucson |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2005-07-14 |
|
| 520-232
| 5 |
Tucson |
AZ |
TCSNAZCADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-232
| 6 |
Tucson |
AZ |
TCSNAZCADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-232
| 7 |
Tucson |
AZ |
TCSNAZCADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-232
| 8 |
Tucson |
AZ |
TCSNAZCADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-232
| 9 |
Tucson |
AZ |
TCSNAZCADS0 |
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-233
| A |
Casa Grande |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
|
|
| 520-233
| 0 |
Casa Grande |
AZ |
TEMPAZNR5MD |
6529 T-MOBILE USA, INC. |
666 |
|
2006-08-14 |
|
| 520-233
| 1 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2006-11-04 |
|
| 520-233
| 2 |
Casa Grande |
AZ |
MRCPAZMADS0 |
9636 QWEST CORPORATION |
666 |
|
2006-11-14 |
|
| 520-233
| 3 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2007-02-02 |
|
| 520-233
| 4 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2007-02-02 |
|
| 520-233
| 5 |
Casa Grande |
AZ |
PHNXAZMAX1Z |
318J COMCAST IP PHONE, LLC |
666 |
|
2017-12-29 |
|
| 520-233
| 6 |
Casa Grande |
AZ |
PHNXAZMAX1Z |
318J COMCAST IP PHONE, LLC |
666 |
|
2006-11-20 |
|
| 520-233
| 7 |
Casa Grande |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2007-05-25 |
|
| 520-233
| 8 |
Casa Grande |
AZ |
TEMPAZNR5MD |
6529 T-MOBILE USA, INC. |
666 |
|
2006-12-14 |
|
| 520-233
| 9 |
Casa Grande |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2021-12-09 |
|
| 520-234
| A |
Sierra Vista |
AZ |
TCSNAZMAZMD |
7421 AT&T - LOCAL |
668 |
|
|
|
| 520-234
| 0 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2004-04-26 |
|
| 520-234
| 1 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2005-05-08 |
|
| 520-234
| 2 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2004-03-15 |
|
| 520-234
| 3 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2005-03-05 |
|
| 520-234
| 4 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2004-02-24 |
|
| 520-234
| 5 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2004-01-19 |
|
| 520-234
| 6 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2003-11-26 |
|
| 520-234
| 7 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2003-08-20 |
|
| 520-234
| 8 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2003-08-20 |
|
| 520-234
| 9 |
Sierra Vista |
AZ |
TCSNAZMAZMD |
7421 AT&T - LOCAL |
668 |
|
2003-01-11 |
|
| 520-235
| A |
Tucson |
AZ |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
|
|
| 520-236
| A |
Sierra Vista |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
|
|
| 520-236
| 0 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
2014-09-26 |
|
| 520-236
| 1 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2005-08-06 |
|
| 520-236
| 2 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2006-06-26 |
|
| 520-236
| 3 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
5562 METROPCS, INC. |
668 |
|
2005-03-13 |
|
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Last updated: Sun, 27 Apr 2025 12:48:38 UTC
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