Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MYHLNMXCRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
575-687 A Mayhill NM 2270 PENASCO VALLEY TEL. COOP., INC. 664      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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