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 |
| 623-223
| 7 |
Phoenix |
AZ |
|
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
666 |
|
2009-09-08 |
|
| 623-223
| 8 |
Phoenix |
AZ |
|
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
666 |
|
2009-09-08 |
|
| 623-223
| 9 |
Phoenix |
AZ |
|
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2013-10-11 |
|
| 623-224
| A |
Phoenix |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 623-224
| 0 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2009-04-17 |
|
| 623-224
| 1 |
Phoenix |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2010-04-04 |
|
| 623-224
| 2 |
Phoenix |
AZ |
|
630E ONVOY, LLC - AZ |
666 |
|
2010-04-04 |
|
| 623-224
| 3 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2009-07-26 |
|
| 623-224
| 4 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2009-07-26 |
|
| 623-224
| 5 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2009-07-26 |
|
| 623-224
| 6 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2009-07-26 |
|
| 623-224
| 7 |
Phoenix |
AZ |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2009-08-07 |
|
| 623-224
| 8 |
Phoenix |
AZ |
|
630E ONVOY, LLC - AZ |
666 |
|
2009-08-31 |
|
| 623-224
| 9 |
Phoenix |
AZ |
|
630E ONVOY, LLC - AZ |
666 |
|
2009-08-31 |
|
| 623-225
| A |
Phoenix |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 623-225
| 0 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 623-225
| 1 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 623-225
| 2 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 623-225
| 3 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 623-225
| 4 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 623-225
| 5 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2003-02-03 |
|
| 623-225
| 6 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2003-02-03 |
|
| 623-225
| 7 |
Phoenix |
AZ |
|
318J COMCAST IP PHONE, LLC |
666 |
|
2003-05-05 |
|
| 623-225
| 8 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2003-05-20 |
|
| 623-225
| 9 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2003-05-20 |
|
| 623-226
| A |
Phoenix |
AZ |
TEMPAZNR5MD |
5562 METROPCS, INC. |
666 |
|
|
|
| 623-226
| 0 |
Phoenix |
AZ |
|
5562 METROPCS, INC. |
666 |
|
2016-05-07 |
|
| 623-226
| 1 |
Phoenix |
AZ |
|
5562 METROPCS, INC. |
666 |
|
2016-06-27 |
|
| 623-226
| 2 |
Phoenix |
AZ |
|
5562 METROPCS, INC. |
666 |
|
2016-06-27 |
|
| 623-226
| 3 |
Phoenix |
AZ |
|
5562 METROPCS, INC. |
666 |
|
2016-07-25 |
|
| 623-226
| 4 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2016-05-08 |
|
| 623-226
| 5 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2016-05-08 |
|
| 623-226
| 6 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2016-05-08 |
|
| 623-226
| 7 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2016-05-08 |
|
| 623-226
| 8 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2016-05-08 |
|
| 623-226
| 9 |
Phoenix |
AZ |
|
5562 METROPCS, INC. |
666 |
|
2016-05-07 |
|
| 623-227
| A |
Phoenix |
AZ |
PHNXAZMAXQX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
|
|
| 623-227
| 0 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2015-01-12 |
|
| 623-227
| 1 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2015-01-12 |
|
| 623-227
| 2 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2015-01-12 |
|
| 623-227
| 3 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2015-01-12 |
|
| 623-227
| 4 |
Phoenix |
AZ |
|
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2015-01-12 |
|
| 623-227
| 5 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2015-01-13 |
|
| 623-227
| 6 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2015-01-13 |
|
| 623-227
| 7 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2015-01-13 |
|
| 623-227
| 8 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2015-01-13 |
|
| 623-227
| 9 |
Phoenix |
AZ |
|
6529 T-MOBILE USA, INC. |
666 |
|
2015-01-13 |
|
| 623-228
| A |
Phoenix |
AZ |
PHNXAZMAX3X |
7421 AT&T - LOCAL |
666 |
|
|
|
| 623-228
| 0 |
Phoenix |
AZ |
|
7421 AT&T - LOCAL |
666 |
|
2015-08-24 |
|
| 623-228
| 1 |
Phoenix |
AZ |
|
7421 AT&T - LOCAL |
666 |
|
2015-08-24 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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