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: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 948

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-948 A Walnut Creek CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-948 0 Walnut Creek CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-948 1 Walnut Creek CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-948 2 Walnut Creek CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-948 3 Walnut Creek CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-948 4 Walnut Creek CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-948 5 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-948 6 Walnut Creek CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-948 7 Walnut Creek CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
925-948 8 Walnut Creek CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-948 9 Walnut Creek CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.