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 ALBQNMMAX4Y  206F ONVOY, LLC - NM 664      
505-233 1 Grants NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664      
505-233 3 Grants NM   883K AHOI LLC 664   2026-05-23   
505-233 7 Grants NM   114J EXIANT COMMUNICATIONS LLC 664   2026-10-16   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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