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: 409 [Rate centres in NPA 409] [Dial plan for NPA 409]

NXX: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-328 A Hitchcock-Santa Fe TX   506J TWILIO INTERNATIONAL, INC. 560   2024-12-16   
409-328 0 Hitchcock-Santa Fe TX   903C ONVOY, LLC - TX 560      
409-328 1 Hitchcock-Santa Fe TX   903C ONVOY, LLC - TX 560      
409-328 3 Hitchcock-Santa Fe TX   506J TWILIO INTERNATIONAL, INC. 560      
409-328 8 Hitchcock-Santa Fe TX   903C ONVOY, LLC - TX 560      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.