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: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-274 A Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-274 0 Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-274 1 Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-274 2 Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-274 3 Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-274 4 Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-274 5 Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-274 6 Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-274 7 Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-274 8 Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-274 9 Waterloo IA CDRRIAIC2MD  593K MCC TELEPHONY LLC 635   2006-06-23   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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