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: HYWRCA115MD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
925-320 4 Moraga CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-06-18   
925-320 7 Moraga CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-10-09   
925-357 2 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2012-03-31   
925-359 A Bishop Ranch CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-359 2 Bishop Ranch CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-368 2 Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2012-11-16   
925-374 A Martinez CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-374 0 Martinez CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-374 1 Martinez CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-374 6 Martinez CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-374 7 Martinez CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-374 8 Martinez CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-387 3 Martinez CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2018-10-12   
925-401 A Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-401 0 Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-401 1 Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-401 2 Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-401 4 Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-401 8 Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-401 9 Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 A Orinda CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 0 Orinda CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 5 Orinda CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 6 Orinda CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 8 Orinda CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 9 Orinda CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 A Lafayette CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 0 Lafayette CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 5 Lafayette CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 7 Lafayette CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 8 Lafayette CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-403 9 Lafayette CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-404 A Dublin-San Ramon CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-404 1 Dublin-San Ramon CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-404 2 Dublin-San Ramon CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-405 A Concord CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-405 0 Concord CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-405 1 Concord CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-405 3 Concord CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-405 4 Concord CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-405 8 Concord CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-405 9 Concord CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-406 A Danville CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-406 0 Danville CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-406 1 Danville CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-406 8 Danville CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-407 A Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-407 0 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-407 1 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-407 2 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.