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: 432 [Rate centres in NPA 432] [Dial plan for NPA 432]

NXX: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
432-900 A Terminal TX MDLDTXMUXDY  965H FRACTEL, LLC 542      
432-900 0 Terminal TX   965H FRACTEL, LLC 542   2019-07-21   
432-900 1 Terminal TX MDLDTXMUXTX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 542   2019-09-22   
432-900 2 Terminal TX MDLDTXMUXTX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 542   2019-09-22   
432-900 3 Terminal TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 542   2025-07-26   
432-900 4 Terminal TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 542   2025-07-26   
432-900 5 Terminal TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 542   2025-07-26   
432-900 6 Terminal TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 542   2025-07-26   
432-900 7 Terminal TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 542   2025-07-26   
432-900 8 Terminal TX   6529 T-MOBILE USA, INC. 542   2025-06-18   
432-900 9 Terminal TX   965H FRACTEL, LLC 542   2019-07-21   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.