Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Ramona, CA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
442-240 A SNDGCA0287Z  598J FIVE9, INC. 732   2024-01-18   
442-240 0   598J FIVE9, INC. 732   2024-01-18   
442-240 1   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2025-03-10   
442-240 2   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2025-03-10   
442-358 A ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
442-358 1   490J DISH WIRELESS, LLC 732   2023-11-27   
442-358 2   649C ONVOY, LLC - CA 732   2023-08-11   
442-358 3   649C ONVOY, LLC - CA 732   2023-08-11   
442-358 5   649C ONVOY, LLC - CA 732   2023-08-11   
442-358 6   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2022-02-24   
442-358 7   6529 T-MOBILE USA, INC. 732   2021-07-17   
442-358 8   6529 T-MOBILE USA, INC. 732   2021-07-17   
442-358 9   6529 T-MOBILE USA, INC. 732   2021-07-17   
760-239 A SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
760-239 0   649C ONVOY, LLC - CA 732   2012-12-30   
760-239 1   6529 T-MOBILE USA, INC. 732   2002-12-01   
760-239 2   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
760-239 3   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2003-09-29   
760-239 5   649C ONVOY, LLC - CA 732   2012-12-30   
760-239 6   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2007-04-08   
760-239 7   981E BANDWIDTH.COM CLEC, LLC - CA 732   2010-10-01   
760-239 8   6529 T-MOBILE USA, INC. 732   2009-02-14   
760-239 9   981E BANDWIDTH.COM CLEC, LLC - CA 732   2010-03-04   
760-315 A SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
760-315 0   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
760-315 1   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
760-315 2   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
760-315 3   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
760-315 4   649C ONVOY, LLC - CA 732   2012-12-30   
760-315 5   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-10   
760-315 6   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
760-315 7   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2007-11-16   
760-315 8   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2014-11-23   
760-315 9   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2015-12-06   
760-440 A SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
760-440 0   318J COMCAST IP PHONE, LLC 732   2005-05-15   
760-440 1   515J IP HORIZON LLC 732   2002-10-12   
760-440 2   515J IP HORIZON LLC 732   2002-10-12   
760-440 3   318J COMCAST IP PHONE, LLC 732   2007-07-20   
760-440 4   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2016-11-10   
760-440 5   981E BANDWIDTH.COM CLEC, LLC - CA 732   2011-06-25   
760-440 6   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2016-12-02   
760-440 7   981E BANDWIDTH.COM CLEC, LLC - CA 732   2011-07-29   
760-440 8   981E BANDWIDTH.COM CLEC, LLC - CA 732   2011-08-14   
760-440 9   318J COMCAST IP PHONE, LLC 732      
760-551 A SNDJCAHGDS0  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 732      
760-654 A   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
760-654 2   981E BANDWIDTH.COM CLEC, LLC - CA 732   2012-02-20   
760-654 3   516C AT&T CORP. 732   2006-06-30   
760-654 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
760-654 5   981E BANDWIDTH.COM CLEC, LLC - CA 732   2012-12-01   
760-654 6   649C ONVOY, LLC - CA 732   2013-03-22   
760-654 8   649C ONVOY, LLC - CA 732   2016-04-23   
760-654 9   649C ONVOY, LLC - CA 732   2016-04-23   
760-787 A RAMNCA11DS0  9740 PACIFIC BELL 732      
760-787 0   9740 PACIFIC BELL 732      
760-787 1   9740 PACIFIC BELL 732      
760-787 2   9740 PACIFIC BELL 732      
760-787 3   9740 PACIFIC BELL 732      
760-787 4   9740 PACIFIC BELL 732      
760-787 5   9740 PACIFIC BELL 732      
760-787 6   6529 T-MOBILE USA, INC. 732   2016-09-03   
760-787 7   9740 PACIFIC BELL 732      
760-787 8   9740 PACIFIC BELL 732      
760-787 9   9740 PACIFIC BELL 732      
760-788 A RAMNCA11DS0  9740 PACIFIC BELL 732      
760-789 A RAMNCA11DS0  9740 PACIFIC BELL 732      
760-825 A SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
760-825 0   649C ONVOY, LLC - CA 732      
760-825 1   6529 T-MOBILE USA, INC. 732   2021-02-07   
760-825 2   649C ONVOY, LLC - CA 732      
760-825 3   829J PAETEC ITEL, LLC 732   2011-09-07   
760-825 4   073H TELNYX LLC 732   2017-06-05   
760-825 5   9262 UTILITY TELECOM GROUP, LLC - CA 732      
760-825 6   649C ONVOY, LLC - CA 732   2013-03-27   
760-825 7   649C ONVOY, LLC - CA 732      
760-825 8   6529 T-MOBILE USA, INC. 732   2021-02-07   
760-825 9   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2015-07-13   
760-869 A SNDGCA02XHX  939H COMMIO, LLC 732      
760-869 0   939H COMMIO, LLC 732   2023-10-14   
760-869 1   939H COMMIO, LLC 732   2023-10-14   
760-869 2   939H COMMIO, LLC 732   2023-10-14   
760-869 3   939H COMMIO, LLC 732   2023-10-14   
760-869 4   939H COMMIO, LLC 732   2023-10-14   
760-869 8   624H ONVOY SPECTRUM, LLC 732   2024-01-04   
760-870 A SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
760-870 0   145J TERRA NOVA TELECOM INC. 732   2021-01-12   
760-870 1   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2005-01-14   
760-870 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2007-03-24   
760-870 3   649C ONVOY, LLC - CA 732   2006-11-06   
760-870 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2003-03-22   
760-870 5   318J COMCAST IP PHONE, LLC 732   2017-10-23   
760-870 6   981E BANDWIDTH.COM CLEC, LLC - CA 732   2016-09-09   
760-870 7   649C ONVOY, LLC - CA 732   2008-05-29   
760-870 8   6529 T-MOBILE USA, INC. 732   2018-11-30   
760-870 9   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
760-896 A SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
760-896 0   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2021-01-18   
760-896 1   6529 T-MOBILE USA, INC. 732   2021-04-03   
760-896 2   649C ONVOY, LLC - CA 732   2016-02-22   

1 2 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.