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: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-856 A Danville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-856 0 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2019-02-22   
925-856 1 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-03-12   
925-856 2 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-09-09   
925-856 3 Danville CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2015-06-29   
925-856 4 Danville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-10-15   
925-856 5 Danville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-10-15   
925-856 6 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2019-09-29   
925-856 7 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-10-12   
925-856 8 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2019-06-21   
925-856 9 Danville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.