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: 415 [Rate centres in NPA 415] [Dial plan for NPA 415]

NXX: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-590 A San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722      
415-590 0 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-05-08   
415-590 1 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2012-05-08   
415-590 2 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2012-05-06   
415-590 3 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2012-05-06   
415-590 4 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2012-05-06   
415-590 5 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2012-05-06   
415-590 6 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2012-05-06   
415-590 7 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2012-05-06   
415-590 8 San Francisco: Central DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2012-05-06   
415-590 9 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2012-05-08   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.