Local Calling Guide
Area code/prefix search
Greenfield (Monterey), CA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 831-231
| A |
SLNSCA01XCY |
624H ONVOY SPECTRUM, LLC |
736 |
|
|
|
| 831-231
| 0 |
|
649C ONVOY, LLC - CA |
736 |
|
2019-07-05 |
|
| 831-231
| 1 |
|
649C ONVOY, LLC - CA |
736 |
|
2021-03-05 |
|
| 831-231
| 2 |
|
649C ONVOY, LLC - CA |
736 |
|
2019-09-13 |
|
| 831-231
| 3 |
|
649C ONVOY, LLC - CA |
736 |
|
2019-09-13 |
|
| 831-231
| 4 |
|
649C ONVOY, LLC - CA |
736 |
|
2020-03-02 |
|
| 831-231
| 5 |
|
649C ONVOY, LLC - CA |
736 |
|
2020-03-02 |
|
| 831-231
| 6 |
|
649C ONVOY, LLC - CA |
736 |
|
2021-03-05 |
|
| 831-231
| 7 |
|
649C ONVOY, LLC - CA |
736 |
|
2020-06-08 |
|
| 831-231
| 8 |
|
649C ONVOY, LLC - CA |
736 |
|
2020-06-08 |
|
| 831-231
| 9 |
|
624H ONVOY SPECTRUM, LLC |
736 |
|
2021-06-15 |
|
| 831-286
| A |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
2024-05-12 |
|
| 831-286
| 0 |
|
649C ONVOY, LLC - CA |
736 |
|
2024-05-12 |
|
| 831-286
| 1 |
|
649C ONVOY, LLC - CA |
736 |
|
2024-07-27 |
|
| 831-304
| A |
MTRYCAPMDS0 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-304
| 0 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-304
| 1 |
|
624H ONVOY SPECTRUM, LLC |
736 |
|
2021-12-10 |
|
| 831-304
| 2 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-304
| 3 |
|
649C ONVOY, LLC - CA |
736 |
|
2021-05-09 |
|
| 831-304
| 4 |
|
649C ONVOY, LLC - CA |
736 |
|
2021-05-09 |
|
| 831-304
| 5 |
|
624H ONVOY SPECTRUM, LLC |
736 |
|
2021-12-10 |
|
| 831-304
| 6 |
|
649C ONVOY, LLC - CA |
736 |
|
2021-10-09 |
|
| 831-304
| 7 |
|
649C ONVOY, LLC - CA |
736 |
|
2021-07-30 |
|
| 831-304
| 8 |
|
649C ONVOY, LLC - CA |
736 |
|
2021-07-30 |
|
| 831-304
| 9 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
|
|
| 831-388
| A |
SLNSCA01X9Y |
649C ONVOY, LLC - CA |
736 |
|
|
|
| 831-388
| 0 |
|
5562 METROPCS, INC. |
736 |
|
2022-11-07 |
|
| 831-388
| 1 |
|
939H COMMIO, LLC |
736 |
|
2022-11-10 |
|
| 831-388
| 2 |
|
649C ONVOY, LLC - CA |
736 |
|
2022-11-06 |
|
| 831-388
| 3 |
|
649C ONVOY, LLC - CA |
736 |
|
2022-11-06 |
|
| 831-388
| 4 |
|
649C ONVOY, LLC - CA |
736 |
|
2022-11-06 |
|
| 831-388
| 5 |
|
649C ONVOY, LLC - CA |
736 |
|
2023-10-29 |
|
| 831-388
| 6 |
|
649C ONVOY, LLC - CA |
736 |
|
2023-10-29 |
|
| 831-388
| 7 |
|
649C ONVOY, LLC - CA |
736 |
|
2023-10-29 |
|
| 831-388
| 9 |
|
649C ONVOY, LLC - CA |
736 |
|
2023-07-24 |
|
| 831-613
| A |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
|
|
| 831-613
| 0 |
|
5562 METROPCS, INC. |
736 |
|
2017-10-12 |
|
| 831-613
| 1 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2010-07-04 |
|
| 831-613
| 2 |
|
5562 METROPCS, INC. |
736 |
|
2007-07-27 |
|
| 831-613
| 3 |
|
5562 METROPCS, INC. |
736 |
|
2005-11-09 |
|
| 831-613
| 4 |
|
5562 METROPCS, INC. |
736 |
|
2008-12-22 |
|
| 831-613
| 5 |
|
9262 UTILITY TELECOM GROUP, LLC - CA |
736 |
|
2006-06-14 |
|
| 831-613
| 6 |
|
5562 METROPCS, INC. |
736 |
|
2010-09-13 |
|
| 831-613
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
736 |
|
2015-11-09 |
|
| 831-613
| 8 |
|
073H TELNYX LLC |
736 |
|
2018-07-03 |
|
| 831-613
| 9 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
736 |
|
2016-03-05 |
|
| 831-674
| A |
GNFDCA11RS0 |
9740 PACIFIC BELL |
736 |
|
|
|
| 831-674
| 0 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-674
| 1 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-674
| 2 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-674
| 3 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-674
| 4 |
|
649C ONVOY, LLC - CA |
736 |
|
2017-04-27 |
|
| 831-674
| 5 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-674
| 6 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-674
| 7 |
|
776C CHARTER FIBERLINK CA-CCO, LLC - CA |
736 |
|
2017-11-04 |
|
| 831-674
| 8 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-674
| 9 |
|
9740 PACIFIC BELL |
736 |
|
|
|
| 831-856
| A |
MTRYCA012MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
|
|
| 831-856
| 0 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2014-03-28 |
|
| 831-856
| 1 |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-856
| 2 |
|
515J IP HORIZON LLC |
736 |
|
|
|
| 831-856
| 3 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2015-05-02 |
|
| 831-856
| 4 |
|
5562 METROPCS, INC. |
736 |
|
2017-03-26 |
|
| 831-856
| 5 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2005-07-31 |
|
| 831-856
| 6 |
|
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
736 |
|
2014-11-06 |
|
| 831-856
| 7 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
736 |
|
2012-01-08 |
|
| 831-856
| 8 |
|
516C AT&T CORP. |
736 |
|
2010-11-05 |
|
| 831-856
| 9 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
736 |
|
2014-08-17 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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