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: 785

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-785 A Alvin TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-05-19   
346-785 0 Alvin TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-05-19   
346-785 1 Alvin TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-05-20   
346-785 2 Alvin TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2024-09-03   
346-785 5 Alvin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-03-03   
346-785 6 Alvin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-03-03   
346-785 7 Alvin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-03-03   
346-785 8 Alvin TX   903C ONVOY, LLC - TX 560   2025-02-02   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.