Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 1264 OLIN TEL. CO., INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
319-484 A Olin IA OLINIAXODS1  635      
319-489 A Morley IA MRLYIAXO489  635      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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