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 |
| 623-352
| 7 |
Phoenix |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2022-11-03 |
|
| 623-352
| 8 |
Phoenix |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2022-11-03 |
|
| 623-352
| 9 |
Phoenix |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2022-11-03 |
|
| 623-356
| A |
Phoenix |
AZ |
PHNXAZ19AMD |
965H FRACTEL, LLC |
666 |
|
|
|
| 623-356
| 0 |
Phoenix |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2020-11-27 |
|
| 623-356
| 1 |
Phoenix |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2020-11-27 |
|
| 623-356
| 2 |
Phoenix |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2020-11-27 |
|
| 623-356
| 3 |
Phoenix |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2020-11-27 |
|
| 623-356
| 4 |
Phoenix |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2020-11-27 |
|
| 623-356
| 5 |
Phoenix |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2020-11-27 |
|
| 623-356
| 6 |
Phoenix |
AZ |
PHNXAZMAXYX |
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
666 |
|
2020-11-27 |
|
| 623-356
| 7 |
Phoenix |
AZ |
PHNXAZ19AMD |
965H FRACTEL, LLC |
666 |
|
2020-11-26 |
|
| 623-356
| 8 |
Phoenix |
AZ |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
2020-11-27 |
|
| 623-356
| 9 |
Phoenix |
AZ |
PHNXAZ19AMD |
965H FRACTEL, LLC |
666 |
|
2020-11-26 |
|
| 623-362
| A |
Phoenix |
AZ |
AGFIAZSRDS0 |
9636 QWEST CORPORATION |
666 |
|
|
|
| 623-363
| A |
Phoenix |
AZ |
PHNXAZMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
|
|
| 623-373
| A |
Phoenix |
AZ |
|
597F VOIP INNOVATIONS, LLC |
666 |
|
2026-06-13 |
|
| 623-373
| 0 |
Phoenix |
AZ |
|
597F VOIP INNOVATIONS, LLC |
666 |
|
2026-06-13 |
|
| 623-373
| 1 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-06-15 |
|
| 623-373
| 2 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-06-15 |
|
| 623-373
| 3 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-06-15 |
|
| 623-373
| 4 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-06-15 |
|
| 623-373
| 5 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-06-15 |
|
| 623-373
| 6 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-06-15 |
|
| 623-373
| 7 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-06-15 |
|
| 623-373
| 8 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-06-15 |
|
| 623-373
| 9 |
Phoenix |
AZ |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
666 |
|
2026-06-15 |
|
| 623-374
| A |
Phoenix |
AZ |
BLCNAZMARS1 |
9636 QWEST CORPORATION |
666 |
|
|
|
| 623-374
| 0 |
Phoenix |
AZ |
BLCNAZMARS1 |
9636 QWEST CORPORATION |
666 |
|
|
|
| 623-374
| 1 |
Phoenix |
AZ |
TEMPAZNR5MD |
5562 METROPCS, INC. |
666 |
|
2006-02-10 |
|
| 623-374
| 2 |
Phoenix |
AZ |
PHNXAZMAX1Z |
318J COMCAST IP PHONE, LLC |
666 |
|
2004-03-17 |
|
| 623-374
| 3 |
Phoenix |
AZ |
PHNXAZMAX1Z |
318J COMCAST IP PHONE, LLC |
666 |
|
2004-03-17 |
|
| 623-374
| 4 |
Phoenix |
AZ |
PHNXAZMAX1Z |
318J COMCAST IP PHONE, LLC |
666 |
|
2004-03-17 |
|
| 623-374
| 5 |
Phoenix |
AZ |
BLCNAZMARS1 |
9636 QWEST CORPORATION |
666 |
|
|
|
| 623-374
| 6 |
Phoenix |
AZ |
PHNXAZMAX1Z |
318J COMCAST IP PHONE, LLC |
666 |
|
2004-07-13 |
|
| 623-374
| 7 |
Phoenix |
AZ |
PHNXAZMAX1Z |
318J COMCAST IP PHONE, LLC |
666 |
|
2004-07-13 |
|
| 623-374
| 8 |
Phoenix |
AZ |
BLCNAZMARS1 |
9636 QWEST CORPORATION |
666 |
|
|
|
| 623-374
| 9 |
Phoenix |
AZ |
BLCNAZMARS1 |
9636 QWEST CORPORATION |
666 |
|
|
|
| 623-376
| A |
Phoenix |
AZ |
AGFIAZSRDS0 |
9636 QWEST CORPORATION |
666 |
|
|
|
| 623-377
| A |
Phoenix |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
|
|
| 623-377
| 0 |
Phoenix |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
|
|
| 623-377
| 1 |
Phoenix |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
|
|
| 623-377
| 2 |
Phoenix |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
|
|
| 623-377
| 3 |
Phoenix |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
|
|
| 623-377
| 4 |
Phoenix |
AZ |
PHNXAZMAXQX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2010-04-25 |
|
| 623-377
| 5 |
Phoenix |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
|
|
| 623-377
| 6 |
Phoenix |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
|
|
| 623-377
| 7 |
Phoenix |
AZ |
PHNXAZMAXQX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2010-04-25 |
|
| 623-377
| 8 |
Phoenix |
AZ |
PHNZAZZJAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
|
|
| 623-377
| 9 |
Phoenix |
AZ |
PHNXAZMAXQX |
587F BANDWIDTH.COM CLEC, LLC - AZ |
666 |
|
2010-04-25 |
|
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Last updated: Fri, 10 Jul 2026 02:55:48 UTC
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