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: 828

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-828 A Spring TX   903C ONVOY, LLC - TX 560   2024-08-01   
346-828 0 Spring TX   903C ONVOY, LLC - TX 560   2024-08-01   
346-828 1 Spring TX   903C ONVOY, LLC - TX 560   2024-08-01   
346-828 2 Spring TX   490J DISH WIRELESS, LLC 560   2024-08-07   
346-828 3 Spring TX   490J DISH WIRELESS, LLC 560   2025-01-03   
346-828 4 Spring TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2024-08-30   
346-828 5 Spring TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2024-08-28   
346-828 6 Spring TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2024-08-28   
346-828 7 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-09-06   
346-828 8 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-09-06   
346-828 9 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-09-06   

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.