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: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
432-556 A Terminal TX MDLDTXMUXEY  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 542      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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