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: 628 [Rate centres in NPA 628] [Dial plan for NPA 628]

NXX: 263

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-263 A San Francisco: Central DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
628-263 0 San Francisco: Central DA CA WSCRCAAHPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2018-08-31   
628-263 1 San Francisco: Central DA CA WSCRCAAHPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2018-08-31   
628-263 2 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-08-27   
628-263 3 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-08-27   
628-263 4 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-10-16   
628-263 5 San Francisco: Central DA CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
628-263 6 San Francisco: Central DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2018-06-14   
628-263 7 San Francisco: Central DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2018-06-14   
628-263 8 San Francisco: Central DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2018-07-17   
628-263 9 San Francisco: Central DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2018-07-17   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.