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: 390

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
606-390 A Warfield KY GRTWKYMAJMD  4369 LEVEL 3 COMMUNICATIONS, LLC - KY 466      
606-390 0 Warfield KY WNCHKYMAEMD  896E ONVOY, LLC - KY 466   2017-03-30   
606-390 1 Warfield KY GRTWKYMAJMD  4369 LEVEL 3 COMMUNICATIONS, LLC - KY 466   2008-04-03   
606-390 2 Warfield KY WNCHKYMAXLY  238H CEBRIDGE TELECOM KY, LLC DBA SUDDENLINK COMM 466   2014-03-01   
606-390 3 Warfield KY WNCHKYMAXMY  516C AT&T CORP. 466   2024-10-14   
606-390 4 Warfield KY GRTWKYMAJMD  4369 LEVEL 3 COMMUNICATIONS, LLC - KY 466   2006-03-05   
606-390 5 Warfield KY WNCHKYMAXLY  238H CEBRIDGE TELECOM KY, LLC DBA SUDDENLINK COMM 466   2007-01-10   
606-390 6 Warfield KY WNCHKYMAXUX  8406 TELEPORT COMMUNICATIONS AMERICA, LLC - KY 466   2020-08-19   
606-390 8 Warfield KY DAVLKYMAX7X  073H TELNYX LLC 466   2020-07-18   
606-390 9 Warfield KY LXTNKYXAXOZ  515J IP HORIZON LLC 466   2024-04-25   

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

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