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

NXX: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
432-228 A Midland TX MDLDTX87X0Y  700J WAVENATION, LLC 542   2025-09-11   
432-228 0 Midland TX MDLDTX87X0Y  700J WAVENATION, LLC 542   2025-09-11   
432-228 1 Midland TX MDLDTXMUY0X  425J CSC WIRELESS, LLC 542   2026-06-12   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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