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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-997 9 New London IA   145J TERRA NOVA TELECOM INC. 634   2025-05-31   
319-999 A Cedar Rapids IA CDRRIAAX0MD  624E ATKINS TELEPHONE COMPANY, INC. - IA 635      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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