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.

Switch: SLNSCA01XTX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-237 3 Soledad CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2015-04-15   
831-263 3 King City CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2009-11-13   
831-293 5 Carmel CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2011-12-01   
831-453 4 Castroville CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2017-09-08   
831-705 3 Chualar CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2012-05-01   
831-718 A Monterey CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736      
831-718 2 Monterey CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2018-06-15   
831-718 3 Monterey CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2013-09-16   
831-718 9 Monterey CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2005-10-15   
831-784 8 Salinas CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2013-10-30   
831-902 2 Hollister CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2006-06-01   
831-975 7 Salinas CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2017-04-23   
831-998 A Salinas CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736      
831-998 9 Salinas CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 736   2003-09-07   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.