Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 675

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-675 A Pulaski IA PLSKIAXO1MD  1129 CITIZENS MUTUAL TELEPHONE COOPERATIVE 632      

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

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