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: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-551 A Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-551 0 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-551 1 Bammel TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
346-551 2 Bammel TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
346-551 3 Bammel TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-551 4 Bammel TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-551 5 Bammel TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
346-551 6 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-551 7 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-551 8 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-551 9 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 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.