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: 362

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-362 A Martindale TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2024-01-06   
737-362 9 Martindale TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.