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: 357

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
606-357 A McDowell KY WNCHKYMAXMY  516C AT&T CORP. 466      
606-357 0 McDowell KY   896E ONVOY, LLC - KY 466   2016-09-20   
606-357 1 McDowell KY   896E ONVOY, LLC - KY 466   2016-09-20   
606-357 2 McDowell KY   896E ONVOY, LLC - KY 466   2020-11-09   
606-357 3 McDowell KY   896E ONVOY, LLC - KY 466   2020-11-09   
606-357 5 McDowell KY   516C AT&T CORP. 466   2014-07-23   
606-357 6 McDowell KY   896E ONVOY, LLC - KY 466   2021-05-13   
606-357 7 McDowell KY   896E ONVOY, LLC - KY 466   2021-05-13   
606-357 8 McDowell KY   073H TELNYX LLC 466   2020-07-12   
606-357 9 McDowell KY   8406 TELEPORT COMMUNICATIONS AMERICA, LLC - KY 466   2023-03-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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