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: 361 [Rate centres in NPA 361] [Dial plan for NPA 361]

NXX: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-303 A Premont TX PTLVTXXAIMD  903C ONVOY, LLC - TX 564      
361-303 0 Premont TX   624H ONVOY SPECTRUM, LLC 564      
361-303 3 Premont TX CRCHTXTUX5Y  903C ONVOY, LLC - TX 564      
361-303 9 Premont TX PTLVTXXAIMD  903C ONVOY, LLC - TX 564      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.