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.

Downieville, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-289 A DWNVCA11RS1  9740 PACIFIC BELL 726      
530-289 0   145J TERRA NOVA TELECOM INC. 726   2021-01-09   
530-289 1 DWNVCA11RS1  9740 PACIFIC BELL 726      
530-289 2 DWNVCA11RS1  9740 PACIFIC BELL 726      
530-289 3 DWNVCA11RS1  9740 PACIFIC BELL 726      
530-289 4 SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726   2024-01-09   
530-289 5 SCRMCA0112Z  506J TWILIO INTERNATIONAL, INC. 726   2021-04-12   
530-289 6 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2009-02-24   
530-289 8 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2011-07-28   
530-289 9 SCRMCA0108Z  516J TON80 COMMUNICATIONS, LLC 726   2021-10-14   
530-325 A SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-429 A WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-429 0 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-429 1 SCRMCA01XSZ  073H TELNYX LLC 726   2019-10-10   
530-429 2 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2011-08-14   
530-429 3 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2013-03-11   
530-429 4 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-429 5 WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2005-07-26   
530-429 6 SCRMCA01X7Z  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2013-03-28   
530-429 7 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2012-12-30   
530-429 8 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2012-12-30   
530-429 9 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2012-12-30   
530-862 A SRCYCA11RS1  9740 PACIFIC BELL 726      
530-862 0 SRCYCA11RS1  9740 PACIFIC BELL 726      
530-862 1 SRCYCA11RS1  9740 PACIFIC BELL 726      
530-862 2 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-02-23   
530-862 3 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2013-12-02   
530-862 4   515J IP HORIZON LLC 726   2003-10-29   
530-862 5 SCRMCA01XEZ  516C AT&T CORP. 726   2011-09-26   
530-862 6 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2013-12-02   
530-862 7 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2010-07-17   
530-862 8 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-02-23   
530-862 9 SCRMCA01X7Z  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2018-12-09   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.