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: 691

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-691 A Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-691 0 Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-10-13   
346-691 1 Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-10-13   
346-691 2 Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-10-13   
346-691 3 Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-10-13   
346-691 4 Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-10-13   
346-691 5 Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-10-13   
346-691 6 Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-10-13   
346-691 7 Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-10-13   
346-691 8 Richmond-Rosenberg TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-10-14   
346-691 9 Richmond-Rosenberg TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2023-10-14   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.