Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Hardin, KY

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
270-437 A FLDLKY01DS1  0421 WEST KENTUCKY RURAL TEL 464      
270-437 0 FLDLKY010MD  781F MCC TELEPHONY OF THE SOUTH, LLC - KY 464   2010-08-12   
270-437 3 FLDLKY01DS1  0421 WEST KENTUCKY RURAL TEL 464      
270-437 4 FLDLKY01DS1  0421 WEST KENTUCKY RURAL TEL 464      
270-530 A FLDLKY010MD  781F MCC TELEPHONY OF THE SOUTH, LLC - KY 464      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.