Local Calling Guide
Area code/prefix search
Grant Grove, CA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 559-236
| A |
SNGRCAXFWMD |
649C ONVOY, LLC - CA |
728 |
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| 559-236
| 0 |
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8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
728 |
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| 559-236
| 1 |
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8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
728 |
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| 559-236
| 2 |
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8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
728 |
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2006-01-13 |
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| 559-236
| 3 |
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373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
728 |
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2013-12-20 |
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| 559-236
| 4 |
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073H TELNYX LLC |
728 |
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2018-07-10 |
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| 559-236
| 5 |
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649C ONVOY, LLC - CA |
728 |
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2019-07-18 |
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| 559-236
| 6 |
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649C ONVOY, LLC - CA |
728 |
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2019-07-18 |
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| 559-236
| 7 |
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649C ONVOY, LLC - CA |
728 |
|
2019-03-16 |
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| 559-236
| 8 |
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649C ONVOY, LLC - CA |
728 |
|
2019-03-16 |
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| 559-236
| 9 |
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649C ONVOY, LLC - CA |
728 |
|
2020-03-02 |
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| 559-335
| A |
GGVGCAXFRS2 |
2319 FRONTIER CALIFORNIA INC. |
728 |
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| 559-335
| 0 |
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073H TELNYX LLC |
728 |
|
2020-09-18 |
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| 559-335
| 1 |
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073H TELNYX LLC |
728 |
|
2021-03-01 |
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| 559-335
| 2 |
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2319 FRONTIER CALIFORNIA INC. |
728 |
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| 559-335
| 3 |
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981E BANDWIDTH.COM CLEC, LLC - CA |
728 |
|
2009-02-24 |
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| 559-335
| 4 |
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8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
728 |
|
2005-08-02 |
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| 559-335
| 5 |
|
649C ONVOY, LLC - CA |
728 |
|
2017-04-21 |
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| 559-335
| 8 |
|
649C ONVOY, LLC - CA |
728 |
|
2020-03-02 |
|
| 559-335
| 9 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
728 |
|
2018-10-27 |
|
| 559-910
| A |
SNGRCAXFWMD |
649C ONVOY, LLC - CA |
728 |
|
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|
| 559-910
| 0 |
|
649C ONVOY, LLC - CA |
728 |
|
2021-05-31 |
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| 559-910
| 1 |
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649C ONVOY, LLC - CA |
728 |
|
2021-06-01 |
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| 559-910
| 2 |
|
649C ONVOY, LLC - CA |
728 |
|
2021-08-13 |
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| 559-910
| 3 |
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649C ONVOY, LLC - CA |
728 |
|
2021-10-29 |
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| 559-910
| 4 |
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073H TELNYX LLC |
728 |
|
2023-08-12 |
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| 559-910
| 5 |
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624H ONVOY SPECTRUM, LLC |
728 |
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2025-02-08 |
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| 559-910
| 7 |
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373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
728 |
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2024-12-13 |
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| 559-910
| 8 |
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939H COMMIO, LLC |
728 |
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2022-11-05 |
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| 559-910
| 9 |
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073H TELNYX LLC |
728 |
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2022-04-21 |
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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