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: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-510 A Burlington IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-510 0 Burlington IA   221F ONVOY, LLC - IA 634   2026-10-11   
319-510 1 Burlington IA   221F ONVOY, LLC - IA 634   2026-10-11   
319-510 2 Burlington IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2026-02-06   
319-510 8 Burlington IA   221F ONVOY, LLC - IA 634   2026-09-04   
319-510 9 Burlington IA   221F ONVOY, LLC - IA 634   2026-07-24   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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