Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-223 A Newhall IA NLBTIAXODS1  1298 SOUTH SLOPE COOP. TEL. CO., INC. 635      

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

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