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: 452

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-452 A Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-452 0 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-04-12   
346-452 1 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-04-12   
346-452 2 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-04-12   
346-452 3 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-04-08   
346-452 4 Cypress TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-03-01   
346-452 5 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-04-08   
346-452 6 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-04-08   
346-452 7 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-04-08   
346-452 8 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-02-26   
346-452 9 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-02-26   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.