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: 545

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-545 A Richmond-Rosenberg TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2022-03-20   
346-545 0 Richmond-Rosenberg TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2022-03-20   
346-545 1 Richmond-Rosenberg TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2022-03-20   
346-545 2 Richmond-Rosenberg TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-03-21   
346-545 3 Richmond-Rosenberg TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-03-21   
346-545 4 Richmond-Rosenberg TX   903C ONVOY, LLC - TX 560   2022-03-21   
346-545 5 Richmond-Rosenberg TX   903C ONVOY, LLC - TX 560   2022-03-21   
346-545 6 Richmond-Rosenberg TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2022-06-24   
346-545 7 Richmond-Rosenberg TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2022-06-24   
346-545 8 Richmond-Rosenberg TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2022-04-11   
346-545 9 Richmond-Rosenberg TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2022-03-20   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.