Local Calling Guide
Area code/prefix search
NPA: 623
[Rate centres in NPA 623]
[Dial plan for NPA 623]
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 623-404
| A |
Phoenix |
AZ |
PHNXAZUI8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
666 |
|
|
|
| 623-404
| 0 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2017-07-24 |
|
| 623-404
| 1 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2017-07-24 |
|
| 623-404
| 2 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2017-07-24 |
|
| 623-404
| 3 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2017-07-24 |
|
| 623-404
| 4 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2017-07-24 |
|
| 623-404
| 5 |
Phoenix |
AZ |
|
630E ONVOY, LLC - AZ |
666 |
|
2017-08-08 |
|
| 623-404
| 6 |
Phoenix |
AZ |
|
630E ONVOY, LLC - AZ |
666 |
|
2017-08-08 |
|
| 623-404
| 7 |
Phoenix |
AZ |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
666 |
|
2017-06-30 |
|
| 623-404
| 8 |
Phoenix |
AZ |
|
630E ONVOY, LLC - AZ |
666 |
|
2017-08-08 |
|
| 623-404
| 9 |
Phoenix |
AZ |
|
630E ONVOY, LLC - AZ |
666 |
|
2017-08-08 |
|
| 623-412
| A |
Phoenix |
AZ |
PHNXAZPRDS0 |
9636 QWEST CORPORATION |
666 |
|
|
|
| 623-414
| A |
Phoenix |
AZ |
PHNZAZ87PS0 |
7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
666 |
|
|
|
| 623-414
| 0 |
Phoenix |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2006-12-18 |
|
| 623-414
| 1 |
Phoenix |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2006-12-18 |
|
| 623-414
| 2 |
Phoenix |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2006-12-18 |
|
| 623-414
| 3 |
Phoenix |
AZ |
|
318J COMCAST IP PHONE, LLC |
666 |
|
2007-01-22 |
|
| 623-414
| 4 |
Phoenix |
AZ |
|
7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
666 |
|
2006-11-03 |
|
| 623-414
| 5 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2007-02-17 |
|
| 623-414
| 6 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2007-02-17 |
|
| 623-414
| 7 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2007-01-06 |
|
| 623-414
| 8 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2007-01-06 |
|
| 623-414
| 9 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2007-01-06 |
|
| 623-418
| A |
Phoenix |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 623-419
| A |
Phoenix |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 623-419
| 0 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2012-03-30 |
|
| 623-419
| 1 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2012-03-30 |
|
| 623-419
| 2 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2012-04-02 |
|
| 623-419
| 3 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2012-04-02 |
|
| 623-419
| 4 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2012-04-02 |
|
| 623-419
| 5 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2012-04-02 |
|
| 623-419
| 6 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2012-05-02 |
|
| 623-419
| 7 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2012-05-02 |
|
| 623-419
| 8 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2012-05-02 |
|
| 623-419
| 9 |
Phoenix |
AZ |
|
5562 METROPCS, INC. |
666 |
|
2014-08-06 |
|
| 623-428
| A |
Phoenix |
AZ |
PHNXAZMAXQX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
|
|
| 623-428
| 0 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2011-01-21 |
|
| 623-428
| 1 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2011-01-21 |
|
| 623-428
| 2 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2011-01-21 |
|
| 623-428
| 3 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2011-08-22 |
|
| 623-428
| 4 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2011-08-22 |
|
| 623-428
| 5 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2011-08-22 |
|
| 623-428
| 6 |
Phoenix |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2025-01-16 |
|
| 623-428
| 7 |
Phoenix |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2025-01-16 |
|
| 623-428
| 8 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2011-01-21 |
|
| 623-428
| 9 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2011-01-21 |
|
| 623-432
| A |
Phoenix |
AZ |
TEMPAZNR5MD |
6529 T-MOBILE USA, INC. |
666 |
|
|
|
| 623-432
| 0 |
Phoenix |
AZ |
|
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
666 |
|
2009-11-17 |
|
| 623-432
| 1 |
Phoenix |
AZ |
|
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
666 |
|
2009-11-17 |
|
| 623-432
| 2 |
Phoenix |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2010-03-11 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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