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: 610

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-610 A Houston TX HSTNTXSXGT0  8833 LOGIX COMMUNICATIONS CORPORATION - TX 560      
346-610 0 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 1 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-06-16   
346-610 2 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 3 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 4 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 5 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 6 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 7 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 8 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-610 9 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-01-19   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.