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.

NPA: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 840

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-840 A Arcata CA MKVLCA11DS1  9740 PACIFIC BELL 722      
707-840 0 Arcata CA MKVLCA11DS1  9740 PACIFIC BELL 722      
707-840 1 Arcata CA   515J IP HORIZON LLC 722   2003-10-12   
707-840 2 Arcata CA   515J IP HORIZON LLC 722   2003-10-12   
707-840 3 Arcata CA HYWRCAMCDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722   2007-06-01   
707-840 4 Arcata CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-09   
707-840 5 Arcata CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-27   
707-840 6 Arcata CA SNFCCA01XGX  516C AT&T CORP. 722   2011-06-20   
707-840 7 Arcata CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2011-10-14   
707-840 8 Arcata CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-13   
707-840 9 Arcata CA MKVLCA11DS1  9740 PACIFIC BELL 722      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.