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: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-406 A Danville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-406 0 Danville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-406 1 Danville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-406 2 Danville CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-406 3 Danville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-406 4 Danville CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-406 5 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-406 6 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-406 7 Danville CA   145J TERRA NOVA TELECOM INC. 722      
925-406 8 Danville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-406 9 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.