Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 606 [Rate centres in NPA 606] [Dial plan for NPA 606]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
606-587 A Grethel KY GRTHKYXERS0  0408 GEARHEART COMM. CO., INC. DBA COALFIELDS TEL. CO. 466      

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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