Local Calling Guide

Area code/prefix search

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OCN: 198D GRAND MOUND COOPERATIVE TELEPHONE ASSOCIATION

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
563-659 6 De Witt IA GRMDIAXO1MD  634   2005-11-12   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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