Local Calling Guide
Area code/prefix search
San Ardo, CA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 831-221
| A |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-221
| 0 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2010-08-30 |
|
| 831-221
| 1 |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-221
| 2 |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-221
| 3 |
|
073H TELNYX LLC |
736 |
|
2018-07-03 |
|
| 831-221
| 4 |
|
515J IP HORIZON LLC |
736 |
|
2022-10-20 |
|
| 831-221
| 5 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2005-07-31 |
|
| 831-221
| 6 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2015-10-15 |
|
| 831-221
| 7 |
|
515J IP HORIZON LLC |
736 |
|
2022-10-20 |
|
| 831-221
| 8 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2014-03-28 |
|
| 831-221
| 9 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2016-03-05 |
|
| 831-303
| A |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-303
| 0 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-303
| 1 |
|
073H TELNYX LLC |
736 |
|
2021-02-26 |
|
| 831-303
| 2 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-303
| 4 |
|
776C CHARTER FIBERLINK CA-CCO, LLC - CA |
736 |
|
2024-06-09 |
|
| 831-627
| A |
SNARCA11RS1 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-627
| 1 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-627
| 2 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-627
| 3 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-627
| 4 |
|
516C AT&T CORP. |
736 |
|
2011-09-26 |
|
| 831-627
| 5 |
|
9262 UTILITY TELECOM GROUP, LLC - CA |
736 |
|
2006-06-14 |
|
| 831-627
| 6 |
|
649C ONVOY, LLC - CA |
736 |
|
2017-04-27 |
|
| 831-627
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
736 |
|
2015-11-09 |
|
| 831-627
| 8 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
736 |
|
2016-03-20 |
|
| 831-732
| A |
SLNSCA01XXX |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
|
|
| 831-732
| 0 |
|
649C ONVOY, LLC - CA |
736 |
|
|
|
| 831-732
| 1 |
|
649C ONVOY, LLC - CA |
736 |
|
2021-07-30 |
|
| 831-732
| 3 |
|
649C ONVOY, LLC - CA |
736 |
|
2019-07-28 |
|
| 831-732
| 4 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2014-04-12 |
|
| 831-732
| 5 |
|
649C ONVOY, LLC - CA |
736 |
|
2010-11-28 |
|
| 831-732
| 7 |
|
649C ONVOY, LLC - CA |
736 |
|
2019-09-13 |
|
| 831-732
| 8 |
|
624H ONVOY SPECTRUM, LLC |
736 |
|
2024-01-05 |
|
| 831-732
| 9 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
736 |
|
2024-07-22 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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