Local Calling Guide
Area code/prefix search
Los Altos, CA
<< 1 2 3
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 650-887
| 9 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2014-03-23 |
|
| 650-900
| A |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
|
|
| 650-900
| 0 |
|
649C ONVOY, LLC - CA |
722 |
|
2010-11-28 |
|
| 650-900
| 1 |
|
515J IP HORIZON LLC |
722 |
|
|
|
| 650-900
| 2 |
|
515J IP HORIZON LLC |
722 |
|
|
|
| 650-900
| 3 |
|
649C ONVOY, LLC - CA |
722 |
|
2012-12-30 |
|
| 650-900
| 4 |
|
515J IP HORIZON LLC |
722 |
|
|
|
| 650-900
| 5 |
|
649C ONVOY, LLC - CA |
722 |
|
2012-12-30 |
|
| 650-900
| 6 |
|
649C ONVOY, LLC - CA |
722 |
|
2013-12-02 |
|
| 650-900
| 7 |
|
649C ONVOY, LLC - CA |
722 |
|
2013-12-02 |
|
| 650-900
| 8 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2014-03-01 |
|
| 650-900
| 9 |
|
649C ONVOY, LLC - CA |
722 |
|
2012-06-29 |
|
| 650-917
| A |
LSATCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-935
| A |
HYWRCA115MD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
|
|
| 650-935
| 0 |
|
6529 T-MOBILE USA, INC. |
722 |
|
2015-11-10 |
|
| 650-935
| 1 |
|
6529 T-MOBILE USA, INC. |
722 |
|
2015-11-10 |
|
| 650-935
| 2 |
|
516C AT&T CORP. |
722 |
|
2007-09-14 |
|
| 650-935
| 3 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
722 |
|
2014-03-28 |
|
| 650-935
| 4 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2014-05-26 |
|
| 650-935
| 5 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2014-07-06 |
|
| 650-935
| 6 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2014-07-06 |
|
| 650-935
| 7 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2013-04-07 |
|
| 650-935
| 8 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2013-04-07 |
|
| 650-935
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
722 |
|
|
|
| 650-941
| A |
LSATCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-946
| A |
OKLDCA03XOY |
318J COMCAST IP PHONE, LLC |
722 |
|
|
|
| 650-946
| 0 |
|
318J COMCAST IP PHONE, LLC |
722 |
|
|
|
| 650-946
| 1 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
722 |
|
2009-10-05 |
|
| 650-946
| 2 |
|
318J COMCAST IP PHONE, LLC |
722 |
|
2013-12-30 |
|
| 650-946
| 3 |
|
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
722 |
|
2008-07-24 |
|
| 650-946
| 4 |
|
318J COMCAST IP PHONE, LLC |
722 |
|
|
|
| 650-946
| 5 |
|
318J COMCAST IP PHONE, LLC |
722 |
|
|
|
| 650-946
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2013-12-20 |
|
| 650-946
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2012-11-12 |
|
| 650-946
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2012-08-30 |
|
| 650-946
| 9 |
|
318J COMCAST IP PHONE, LLC |
722 |
|
|
|
| 650-947
| A |
LSATCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-947
| 0 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 650-947
| 1 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 650-947
| 2 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 650-947
| 3 |
|
145J TERRA NOVA TELECOM INC. |
722 |
|
2025-04-08 |
|
| 650-947
| 4 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 650-947
| 5 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 650-947
| 6 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 650-947
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2016-02-06 |
|
| 650-947
| 8 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 650-947
| 9 |
|
9740 PACIFIC BELL |
722 |
|
|
|
| 650-948
| A |
LSATCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-949
| A |
LSATCA11DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
<< 1 2 3
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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