Local Calling Guide
Area code/prefix search
Castle Rock, AZ
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 928-265
| A |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2025-11-10 |
|
| 928-265
| 0 |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2025-11-10 |
|
| 928-265
| 1 |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2025-11-10 |
|
| 928-265
| 2 |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2025-11-10 |
|
| 928-397
| A |
PHNXAZ28DS3 |
630E ONVOY, LLC - AZ |
666 |
|
|
|
| 928-397
| 0 |
|
630E ONVOY, LLC - AZ |
666 |
|
2021-08-08 |
|
| 928-397
| 1 |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2024-05-21 |
|
| 928-397
| 2 |
|
624H ONVOY SPECTRUM, LLC |
666 |
|
2021-10-21 |
|
| 928-397
| 3 |
|
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
666 |
|
2023-02-24 |
|
| 928-397
| 4 |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2024-09-25 |
|
| 928-397
| 5 |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2024-09-25 |
|
| 928-397
| 6 |
|
516J TON80 COMMUNICATIONS, LLC |
666 |
|
2021-07-03 |
|
| 928-397
| 7 |
|
630E ONVOY, LLC - AZ |
666 |
|
2021-02-20 |
|
| 928-397
| 8 |
|
630E ONVOY, LLC - AZ |
666 |
|
2021-02-20 |
|
| 928-397
| 9 |
|
630E ONVOY, LLC - AZ |
666 |
|
2021-07-03 |
|
| 928-466
| A |
PHNDAZ91DS5 |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
666 |
|
|
|
| 928-466
| 0 |
|
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2012-10-27 |
|
| 928-466
| 1 |
|
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2012-10-27 |
|
| 928-466
| 2 |
|
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2012-10-27 |
|
| 928-466
| 3 |
|
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2012-10-27 |
|
| 928-466
| 4 |
|
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
666 |
|
2005-04-29 |
|
| 928-466
| 5 |
|
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
666 |
|
2013-04-28 |
|
| 928-466
| 6 |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2013-08-01 |
|
| 928-466
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
666 |
|
2015-09-26 |
|
| 928-466
| 8 |
|
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2013-11-08 |
|
| 928-466
| 9 |
|
227H MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-AZ |
666 |
|
2005-05-16 |
|
| 928-544
| A |
PHNXAZ19AMD |
965H FRACTEL, LLC |
666 |
|
|
|
| 928-544
| 0 |
|
579F PEERLESS NETWORK OF ARIZONA, LLC - AZ |
666 |
|
2020-09-25 |
|
| 928-544
| 1 |
|
073H TELNYX LLC |
666 |
|
2020-10-03 |
|
| 928-544
| 2 |
|
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
666 |
|
2025-06-26 |
|
| 928-544
| 3 |
|
630E ONVOY, LLC - AZ |
666 |
|
2020-11-24 |
|
| 928-544
| 4 |
|
965H FRACTEL, LLC |
666 |
|
2020-08-01 |
|
| 928-544
| 5 |
|
624H ONVOY SPECTRUM, LLC |
666 |
|
2020-11-03 |
|
| 928-544
| 6 |
|
630E ONVOY, LLC - AZ |
666 |
|
2021-01-16 |
|
| 928-544
| 7 |
|
630E ONVOY, LLC - AZ |
666 |
|
2021-01-16 |
|
| 928-544
| 8 |
|
630E ONVOY, LLC - AZ |
666 |
|
2021-01-16 |
|
| 928-544
| 9 |
|
630E ONVOY, LLC - AZ |
666 |
|
2021-01-16 |
|
| 928-764
| A |
CSRKAZXCRS1 |
2172 CITIZENS UTILITIES RURAL DBA FRONTIER UT RURAL |
666 |
|
|
|
| 928-764
| 0 |
|
630E ONVOY, LLC - AZ |
666 |
|
2019-12-09 |
|
| 928-764
| 1 |
|
2172 CITIZENS UTILITIES RURAL DBA FRONTIER UT RURAL |
666 |
|
|
|
| 928-764
| 2 |
|
2172 CITIZENS UTILITIES RURAL DBA FRONTIER UT RURAL |
666 |
|
|
|
| 928-764
| 3 |
|
2172 CITIZENS UTILITIES RURAL DBA FRONTIER UT RURAL |
666 |
|
|
|
| 928-764
| 4 |
|
2172 CITIZENS UTILITIES RURAL DBA FRONTIER UT RURAL |
666 |
|
|
|
| 928-764
| 5 |
|
227H MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-AZ |
666 |
|
2014-03-03 |
|
| 928-764
| 6 |
|
7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
666 |
|
2014-03-14 |
|
| 928-764
| 7 |
|
630E ONVOY, LLC - AZ |
666 |
|
2018-07-22 |
|
| 928-764
| 8 |
|
630E ONVOY, LLC - AZ |
666 |
|
2019-07-11 |
|
| 928-764
| 9 |
|
2172 CITIZENS UTILITIES RURAL DBA FRONTIER UT RURAL |
666 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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