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: 605

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-605 A Houston Suburban TX HSTDTXBGCM5  5562 METROPCS, INC. 560      
346-605 0 Houston Suburban TX HSTDTXBGCM5  5562 METROPCS, INC. 560   2023-01-06   
346-605 1 Houston Suburban TX HSTDTXBGCM5  5562 METROPCS, INC. 560   2023-01-06   
346-605 2 Houston Suburban TX HSTDTXBGCM5  5562 METROPCS, INC. 560   2023-01-06   
346-605 3 Houston Suburban TX HSTDTXBGCM5  5562 METROPCS, INC. 560   2023-01-06   
346-605 4 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-12-17   
346-605 5 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-12-17   
346-605 6 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-12-17   
346-605 7 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-12-17   
346-605 8 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-14   
346-605 9 Houston Suburban TX HSTDTXBGCM5  5562 METROPCS, INC. 560   2023-01-06   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.