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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-637 A San Francisco: Central DA CA   5562 METROPCS, INC. 722      
415-637 0 San Francisco: Central DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
415-637 1 San Francisco: Central DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
415-637 2 San Francisco: Central DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
415-637 3 San Francisco: Central DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
415-637 4 San Francisco: Central DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
415-637 5 San Francisco: Central DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
415-637 6 San Francisco: Central DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
415-637 7 San Francisco: Central DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
415-637 8 San Francisco: Central DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
415-637 9 San Francisco: Central DA CA   5562 METROPCS, INC. 722      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.