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.

Colusa, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-458 A COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 0 COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 1 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-458 2 COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 3 COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 4 COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 5 COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 6 COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 7 COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 8 COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-619 A SCRMCA0111Z  318J COMCAST IP PHONE, LLC 726      
530-619 0 SCRMCA0111Z  318J COMCAST IP PHONE, LLC 726      
530-619 1 YBCYCATU0MD  973E RACE TELECOMMUNICATIONS, INC. - CA 726      
530-619 2 WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-619 3 SCRMCA0121Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 726      
530-619 4 SCRMCA0111Z  318J COMCAST IP PHONE, LLC 726      
530-619 5 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-619 6 SCRMCA01XQY  9262 UTILITY TELECOM GROUP, LLC - CA 726      
530-619 8 SCRMCA01X2Z  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 726      
530-619 9 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-947 A SCRMCA0119Z  490J DISH WIRELESS, LLC 726      
530-947 9 SCRMCA0119Z  490J DISH WIRELESS, LLC 726      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.