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: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-323 A Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-323 0 Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-07-29   
737-323 1 Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-07-29   
737-323 2 Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-07-29   
737-323 3 Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-07-29   
737-323 4 Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-07-29   
737-323 5 Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-07-29   
737-323 6 Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-07-29   
737-323 7 Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-07-29   
737-323 8 Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-07-29   
737-323 9 Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-07-29   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.