Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 505 [Rate centres in NPA 505] [Dial plan for NPA 505]

NXX: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
505-233 A Grants NM   206F ONVOY, LLC - NM 664      
505-233 1 Grants NM   206F ONVOY, LLC - NM 664      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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