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: 722

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-722 A Williamsburg IA WLBGIAXOPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-722 1 Williamsburg IA   6529 T-MOBILE USA, INC. 635   2018-04-09   
319-722 2 Williamsburg IA   6529 T-MOBILE USA, INC. 635   2018-04-09   
319-722 4 Williamsburg IA   490J DISH WIRELESS, LLC 635   2023-12-18   
319-722 7 Williamsburg IA   5562 METROPCS, INC. 635   2018-07-13   
319-722 8 Williamsburg IA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 635   2018-03-01   
319-722 9 Williamsburg IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635   2015-08-25   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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