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: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-405 A Anamosa IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635      
319-405 0 Anamosa IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2022-04-01   
319-405 1 Anamosa IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2022-04-02   
319-405 2 Anamosa IA CDRRIADTXAX  515J IP HORIZON LLC 635   2025-07-25   
319-405 3 Anamosa IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2026-09-14   
319-405 4 Anamosa IA CDRRIAAX7MD  5562 METROPCS, INC. 635   2025-04-25   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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