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: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-397 A Cantril IA CNTRIAXO1MD  1319 VAN BUREN TEL. CO., INC. 634      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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