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: 904

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-904 A Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2026-01-01   
346-904 0 Bammel TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-01-02   
346-904 9 Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2026-01-01   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.