Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 432 [Rate centres in NPA 432] [Dial plan for NPA 432]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
432-306 A Big Spring TX MDLDTXMUX6Y  6529 T-MOBILE USA, INC. 542      
432-306 0 Big Spring TX   6529 T-MOBILE USA, INC. 542   2021-12-12   
432-306 1 Big Spring TX   6529 T-MOBILE USA, INC. 542   2021-12-12   
432-306 2 Big Spring TX   6529 T-MOBILE USA, INC. 542   2021-12-12   
432-306 3 Big Spring TX   6529 T-MOBILE USA, INC. 542   2021-12-12   
432-306 4 Big Spring TX   6529 T-MOBILE USA, INC. 542   2022-11-14   
432-306 5 Big Spring TX   6529 T-MOBILE USA, INC. 542   2022-11-14   
432-306 6 Big Spring TX   903C ONVOY, LLC - TX 542   2024-03-09   
432-306 7 Big Spring TX   624H ONVOY SPECTRUM, LLC 542   2024-03-21   
432-306 8 Big Spring TX   903C ONVOY, LLC - TX 542   2023-09-18   
432-306 9 Big Spring TX   6529 T-MOBILE USA, INC. 542   2021-05-17   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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