Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 345D GREAT LAKES COMMUNICATION CORP. - IA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
712-432 A Lake Park IA LKPKIA07DS0  630      
712-637 A Lake Park IA LKPKIA07DS0  630      
712-637 0 Lake Park IA LKPKIA07DS0  630   2021-04-29   
712-637 1 Lake Park IA LKPKIA07DS0  630   2021-04-29   
712-637 2 Lake Park IA LKPKIA07DS0  630   2021-04-29   
712-637 3 Lake Park IA LKPKIA07DS0  630   2021-04-29   
712-637 4 Lake Park IA LKPKIA07DS0  630   2021-04-29   
712-637 5 Lake Park IA LKPKIA07DS0  630   2021-04-29   
712-637 6 Lake Park IA LKPKIA07DS0  630   2021-04-29   
712-637 7 Lake Park IA LKPKIA07DS0  630   2021-04-29   
712-637 8 Lake Park IA LKPKIA07DS0  630   2021-04-29   
712-637 9 Lake Park IA LKPKIA07DS0  630   2021-04-29   
712-831 A Lake Park IA LKPKIA07DS0  630      
712-831 0 Lake Park IA LKPKIA07DS0  630   2015-04-05   
712-831 8 Lake Park IA LKPKIA07DS0  630   2018-10-11   
712-831 9 Lake Park IA LKPKIA07DS0  630   2018-10-11   
712-832 2 Lake Park IA LKPKIA07DS0  630   2015-02-11   
712-832 5 Lake Park IA LKPKIA07DS0  630   2015-02-11   
712-832 7 Lake Park IA LKPKIA07DS0  630   2015-02-11   
712-832 8 Lake Park IA LKPKIA07DS0  630   2014-10-10   

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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