Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 338

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-338 A Milford IA MLFRIACORS3  9631 QWEST CORPORATION 630      
712-338 0 Milford IA   6529 T-MOBILE USA, INC. 630   2009-11-23   
712-338 1 Milford IA   6529 T-MOBILE USA, INC. 630   2018-04-05   
712-338 2 Milford IA   9631 QWEST CORPORATION 630      
712-338 3 Milford IA   6529 T-MOBILE USA, INC. 630   2018-04-05   
712-338 4 Milford IA   9631 QWEST CORPORATION 630      
712-338 5 Milford IA   508J CENTURYLINK COMMUNICATIONS, LLC 630   2016-12-27   
712-338 6 Milford IA   904D PREMIER COMMUNICATIONS, INC. - IA 630   2014-06-05   
712-338 7 Milford IA   904D PREMIER COMMUNICATIONS, INC. - IA 630   2006-12-17   
712-338 8 Milford IA   904D PREMIER COMMUNICATIONS, INC. - IA 630   2006-03-23   
712-338 9 Milford IA   9631 QWEST CORPORATION 630      

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

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