Local Calling Guide
Area code/prefix search
Mountain Pass, CA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 442-220
| A |
LNBHCAAXDS0 |
707H INTEGRATED PATH COMMUNICATIONS, LLC - CA |
730 |
|
|
|
| 442-220
| 0 |
|
516J TON80 COMMUNICATIONS, LLC |
730 |
|
2022-04-02 |
|
| 442-220
| 1 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2013-08-02 |
|
| 442-220
| 2 |
|
624H ONVOY SPECTRUM, LLC |
730 |
|
2025-01-23 |
|
| 442-220
| 3 |
|
649C ONVOY, LLC - CA |
730 |
|
2019-02-28 |
|
| 442-220
| 4 |
|
649C ONVOY, LLC - CA |
730 |
|
2019-02-28 |
|
| 442-220
| 5 |
|
516C AT&T CORP. |
730 |
|
2025-01-08 |
|
| 442-220
| 6 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
730 |
|
2014-06-27 |
|
| 442-220
| 7 |
|
649C ONVOY, LLC - CA |
730 |
|
2013-09-21 |
|
| 442-220
| 8 |
|
073H TELNYX LLC |
730 |
|
2018-06-05 |
|
| 442-220
| 9 |
|
707H INTEGRATED PATH COMMUNICATIONS, LLC - CA |
730 |
|
2018-05-04 |
|
| 760-856
| A |
MTPSCA11RS1 |
9740 PACIFIC BELL |
730 |
|
|
|
| 760-856
| 0 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2010-08-14 |
|
| 760-856
| 1 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 760-856
| 2 |
|
9740 PACIFIC BELL |
730 |
|
|
|
| 760-856
| 3 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2013-02-23 |
|
| 760-856
| 4 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2005-07-31 |
|
| 760-856
| 5 |
|
649C ONVOY, LLC - CA |
730 |
|
2007-04-01 |
|
| 760-856
| 6 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
730 |
|
2013-04-12 |
|
| 760-856
| 7 |
|
145J TERRA NOVA TELECOM INC. |
730 |
|
2024-02-19 |
|
| 760-856
| 8 |
|
649C ONVOY, LLC - CA |
730 |
|
2013-03-08 |
|
| 760-856
| 9 |
|
649C ONVOY, LLC - CA |
730 |
|
2008-10-24 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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