Local Calling Guide
Area code/prefix search
Diamond Bar, CA
1 2 3 4 5 6 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 840-240
| A |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
|
|
| 840-240
| 0 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-10-30 |
|
| 840-240
| 1 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-01-23 |
|
| 840-240
| 2 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-01-23 |
|
| 840-240
| 3 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-01-23 |
|
| 840-240
| 4 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-01-23 |
|
| 840-240
| 5 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-03-02 |
|
| 840-240
| 6 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-03-02 |
|
| 840-240
| 7 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-03-02 |
|
| 840-240
| 8 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-03-02 |
|
| 840-240
| 9 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2023-09-22 |
|
| 840-244
| A |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 840-244
| 0 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2024-02-22 |
|
| 840-244
| 1 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2024-02-22 |
|
| 840-244
| 2 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2024-02-22 |
|
| 840-244
| 3 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2024-02-22 |
|
| 840-244
| 4 |
|
649C ONVOY, LLC - CA |
730 |
|
2026-08-14 |
|
| 840-244
| 5 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2024-02-23 |
|
| 840-244
| 6 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2024-02-23 |
|
| 840-244
| 7 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2024-02-23 |
|
| 840-244
| 8 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2023-12-17 |
|
| 840-244
| 9 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2023-12-17 |
|
| 840-289
| A |
|
649C ONVOY, LLC - CA |
730 |
|
2026-09-11 |
|
| 840-289
| 0 |
|
649C ONVOY, LLC - CA |
730 |
|
2026-09-11 |
|
| 840-289
| 1 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
730 |
|
2026-09-20 |
|
| 840-289
| 8 |
|
624H ONVOY SPECTRUM, LLC |
730 |
|
2026-09-14 |
|
| 840-289
| 9 |
|
624H ONVOY SPECTRUM, LLC |
730 |
|
2026-09-14 |
|
| 840-588
| A |
LSANCAJWIMD |
965H FRACTEL, LLC |
730 |
|
|
|
| 840-588
| 0 |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2022-01-21 |
|
| 840-588
| 1 |
LSANCA543MD |
073H TELNYX LLC |
730 |
|
2022-06-16 |
|
| 840-588
| 2 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2022-08-25 |
|
| 840-588
| 3 |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2022-07-29 |
|
| 840-588
| 4 |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2022-07-29 |
|
| 840-588
| 5 |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2021-12-28 |
|
| 840-588
| 6 |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2021-12-28 |
|
| 840-588
| 7 |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2021-12-28 |
|
| 840-588
| 8 |
LSANCAJWIMD |
965H FRACTEL, LLC |
730 |
|
2021-12-27 |
|
| 840-588
| 9 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2022-03-11 |
|
| 909-274
| A |
NRWLCA142MD |
792K CHARTER IP ENABLED SERVICES, LLC |
730 |
|
|
|
| 909-274
| 0 |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2010-02-27 |
|
| 909-274
| 1 |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2009-12-09 |
|
| 909-274
| 2 |
NRWLCA142MD |
792K CHARTER IP ENABLED SERVICES, LLC |
730 |
|
2009-10-19 |
|
| 909-274
| 3 |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2009-12-09 |
|
| 909-274
| 4 |
NRWLCA142MD |
792K CHARTER IP ENABLED SERVICES, LLC |
730 |
|
2009-10-19 |
|
| 909-274
| 5 |
NRWLCA142MD |
792K CHARTER IP ENABLED SERVICES, LLC |
730 |
|
2009-10-19 |
|
| 909-274
| 6 |
NRWLCA142MD |
792K CHARTER IP ENABLED SERVICES, LLC |
730 |
|
2009-10-19 |
|
| 909-274
| 7 |
COVNCAXF7MD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2009-08-31 |
|
| 909-274
| 8 |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2010-07-11 |
|
| 909-274
| 9 |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2010-02-27 |
|
| 909-323
| A |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2024-01-23 |
|
1 2 3 4 5 6 >>
Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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