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 |
| 909-551
| 3 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2014-12-23 |
|
| 909-551
| 4 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2014-12-23 |
|
| 909-551
| 5 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2015-05-15 |
|
| 909-551
| 6 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2015-05-15 |
|
| 909-551
| 7 |
ANHMCANG5MD |
829J PAETEC ITEL, LLC |
730 |
|
2015-01-02 |
|
| 909-551
| 8 |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2015-06-30 |
|
| 909-551
| 9 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2015-03-06 |
|
| 909-569
| A |
ANHMCA01DS3 |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
|
|
| 909-569
| 0 |
ANHMCA01DS3 |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
|
|
| 909-569
| 1 |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2001-10-08 |
|
| 909-569
| 2 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2003-06-07 |
|
| 909-569
| 3 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2004-07-08 |
|
| 909-569
| 4 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2004-09-25 |
|
| 909-569
| 5 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2004-09-25 |
|
| 909-569
| 6 |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2004-12-09 |
|
| 909-569
| 7 |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2005-01-03 |
|
| 909-569
| 8 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2005-01-18 |
|
| 909-569
| 9 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2005-04-29 |
|
| 909-594
| A |
WLNTCAXFDS0 |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 909-595
| A |
WLNTCAXFDS0 |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 909-598
| A |
WLNTCAXFDS0 |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 909-610
| A |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 909-610
| 0 |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2008-08-02 |
|
| 909-610
| 1 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2010-03-07 |
|
| 909-610
| 2 |
IRVECAEIDS2 |
7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
730 |
|
|
|
| 909-610
| 3 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2008-06-01 |
|
| 909-610
| 4 |
ANHMCANG4MD |
829J PAETEC ITEL, LLC |
730 |
|
2003-11-10 |
|
| 909-610
| 5 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2007-06-24 |
|
| 909-610
| 6 |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2008-12-08 |
|
| 909-610
| 7 |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
2005-11-05 |
|
| 909-610
| 8 |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2008-12-08 |
|
| 909-610
| 9 |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2011-06-03 |
|
| 909-612
| A |
DMBRCAXF86M |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 909-612
| 0 |
DMBRCAXF86M |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 909-612
| 1 |
DMBRCAXF86M |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 909-612
| 2 |
DMBRCAXF86M |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 909-612
| 3 |
GRDNCA02KMD |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
|
|
| 909-612
| 4 |
DMBRCAXF86M |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 909-612
| 5 |
DMBRCAXF86M |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 909-612
| 6 |
DMBRCAXF86M |
2319 FRONTIER CALIFORNIA INC. |
730 |
|
|
|
| 909-612
| 7 |
NRWLCA142MD |
792K CHARTER IP ENABLED SERVICES, LLC |
730 |
|
2005-10-27 |
|
| 909-612
| 8 |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2001-10-08 |
|
| 909-612
| 9 |
COVNCAXFX3Y |
649C ONVOY, LLC - CA |
730 |
|
2009-04-02 |
|
| 909-616
| A |
RVSDCALBCM4 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 909-616
| 0 |
LSANCAJWDS9 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
730 |
|
2019-06-19 |
|
| 909-616
| 1 |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2020-11-14 |
|
| 909-616
| 2 |
COVNCAXFX2Y |
624H ONVOY SPECTRUM, LLC |
730 |
|
2025-02-17 |
|
| 909-616
| 3 |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2019-12-09 |
|
| 909-616
| 4 |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
2019-04-14 |
|
| 909-616
| 5 |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2020-11-14 |
|
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Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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