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: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

NXX: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-200 A Langham Creek TX   903C ONVOY, LLC - TX 560      
281-200 0 Langham Creek TX   903C ONVOY, LLC - TX 560      
281-200 2 Langham Creek TX   903C ONVOY, LLC - TX 560      
281-200 3 Langham Creek TX   903C ONVOY, LLC - TX 560      
281-200 6 Langham Creek TX   903C ONVOY, LLC - TX 560      
281-200 9 Langham Creek TX   903C ONVOY, LLC - TX 560      

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.