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: 316

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-316 A Jarrell TX   490J DISH WIRELESS, LLC 558   2022-04-01   
737-316 7 Jarrell TX   490J DISH WIRELESS, LLC 558   2022-05-01   
737-316 8 Jarrell TX   490J DISH WIRELESS, LLC 558   2022-06-01   
737-316 9 Jarrell TX   490J DISH WIRELESS, LLC 558   2022-04-01   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.