Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 575 [Rate centres in NPA 575] [Dial plan for NPA 575]

NXX: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-388 A Silver City NM SLCYNMMADS0  9636 QWEST CORPORATION 664      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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