Local Calling Guide
Area code/prefix search
NPA: 840
[Rate centres in NPA 840]
[Dial plan for NPA 840]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 840-837
| 1 |
Pomona |
CA |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-01-31 |
|
| 840-837
| 2 |
Pomona |
CA |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2023-01-31 |
|
| 840-837
| 3 |
Pomona |
CA |
COVNCAXFX2Y |
624H ONVOY SPECTRUM, LLC |
730 |
|
2022-03-12 |
|
| 840-837
| 4 |
Pomona |
CA |
LSANCAJWJMD |
516J TON80 COMMUNICATIONS, LLC |
730 |
|
2022-03-11 |
|
| 840-837
| 5 |
Pomona |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2022-10-09 |
|
| 840-837
| 6 |
Pomona |
CA |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2022-03-12 |
|
| 840-837
| 7 |
Pomona |
CA |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2022-03-12 |
|
| 840-837
| 8 |
Pomona |
CA |
COVNCAXFX2Y |
624H ONVOY SPECTRUM, LLC |
730 |
|
2022-03-12 |
|
| 840-837
| 9 |
Pomona |
CA |
LSANCARC32Z |
073H TELNYX LLC |
730 |
|
2022-03-12 |
|
| 840-840
| A |
Ontario |
CA |
ONTRCAXPXOY |
624H ONVOY SPECTRUM, LLC |
730 |
|
2025-11-11 |
|
| 840-840
| 0 |
Ontario |
CA |
ONTRCAXPXPY |
649C ONVOY, LLC - CA |
730 |
|
2026-03-14 |
|
| 840-840
| 1 |
Ontario |
CA |
|
114J EXIANT COMMUNICATIONS LLC |
730 |
|
2026-04-23 |
|
| 840-840
| 5 |
Ontario |
CA |
ONTRCAXPXOY |
624H ONVOY SPECTRUM, LLC |
730 |
|
2025-11-11 |
|
| 840-840
| 6 |
Ontario |
CA |
ONTRCAXPXOY |
624H ONVOY SPECTRUM, LLC |
730 |
|
2025-11-11 |
|
| 840-840
| 7 |
Ontario |
CA |
ONTRCAXPXOY |
624H ONVOY SPECTRUM, LLC |
730 |
|
2025-11-11 |
|
| 840-840
| 8 |
Ontario |
CA |
ONTRCAXPXOY |
624H ONVOY SPECTRUM, LLC |
730 |
|
2025-11-11 |
|
| 840-840
| 9 |
Ontario |
CA |
ONTRCAXPXOY |
624H ONVOY SPECTRUM, LLC |
730 |
|
2025-11-11 |
|
| 840-877
| A |
Marshall |
CA |
LSANCAJWIMD |
965H FRACTEL, LLC |
730 |
|
|
|
| 840-877
| 0 |
Marshall |
CA |
ONTRCAXPXPY |
649C ONVOY, LLC - CA |
730 |
|
2026-03-14 |
|
| 840-877
| 1 |
Marshall |
CA |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2021-12-21 |
|
| 840-877
| 2 |
Marshall |
CA |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2021-12-21 |
|
| 840-877
| 3 |
Marshall |
CA |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2021-12-21 |
|
| 840-877
| 4 |
Marshall |
CA |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2021-12-21 |
|
| 840-877
| 5 |
Marshall |
CA |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2022-06-27 |
|
| 840-877
| 6 |
Marshall |
CA |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2022-08-28 |
|
| 840-877
| 7 |
Marshall |
CA |
LSANCAJWIMD |
965H FRACTEL, LLC |
730 |
|
2021-09-13 |
|
| 840-877
| 8 |
Marshall |
CA |
LSANCA543MD |
073H TELNYX LLC |
730 |
|
2022-06-16 |
|
| 840-877
| 9 |
Marshall |
CA |
LSANCAJWDS9 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
730 |
|
2021-12-19 |
|
| 840-888
| A |
Redlands |
CA |
LSANCAJWHMD |
145J TERRA NOVA TELECOM INC. |
730 |
|
|
|
| 840-888
| 0 |
Redlands |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2021-03-21 |
|
| 840-888
| 1 |
Redlands |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2021-05-07 |
|
| 840-888
| 2 |
Redlands |
CA |
ONTRCAXPXPY |
649C ONVOY, LLC - CA |
730 |
|
2021-03-05 |
|
| 840-888
| 3 |
Redlands |
CA |
ONTRCAXPXPY |
649C ONVOY, LLC - CA |
730 |
|
2021-03-05 |
|
| 840-888
| 4 |
Redlands |
CA |
ONTRCAXPXPY |
649C ONVOY, LLC - CA |
730 |
|
2021-03-05 |
|
| 840-888
| 5 |
Redlands |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2021-05-07 |
|
| 840-888
| 6 |
Redlands |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2021-05-07 |
|
| 840-888
| 7 |
Redlands |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2021-05-16 |
|
| 840-888
| 8 |
Redlands |
CA |
|
145J TERRA NOVA TELECOM INC. |
730 |
|
2021-02-23 |
|
| 840-888
| 9 |
Redlands |
CA |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2021-04-10 |
|
| 840-899
| A |
Highland |
CA |
LSANCAJWIMD |
965H FRACTEL, LLC |
730 |
|
|
|
| 840-899
| 0 |
Highland |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2026-03-02 |
|
| 840-899
| 1 |
Highland |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2021-10-02 |
|
| 840-899
| 2 |
Highland |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2021-10-02 |
|
| 840-899
| 3 |
Highland |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2021-10-02 |
|
| 840-899
| 4 |
Highland |
CA |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2021-10-21 |
|
| 840-899
| 5 |
Highland |
CA |
LSANCAJW7MD |
939H COMMIO, LLC |
730 |
|
2021-10-11 |
|
| 840-899
| 6 |
Highland |
CA |
LSANCAJW7MD |
939H COMMIO, LLC |
730 |
|
2021-10-11 |
|
| 840-899
| 7 |
Highland |
CA |
LSANCAJW7MD |
939H COMMIO, LLC |
730 |
|
2021-10-11 |
|
| 840-899
| 8 |
Highland |
CA |
LSANCAJW7MD |
939H COMMIO, LLC |
730 |
|
2021-10-11 |
|
| 840-899
| 9 |
Highland |
CA |
LSANCAJWIMD |
965H FRACTEL, LLC |
730 |
|
2021-09-13 |
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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