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.

NPA: 660 [Rate centres in NPA 660] [Dial plan for NPA 660]

NXX: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-240 A Chillicothe MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-240 0 Chillicothe MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-240 1 Chillicothe MO INDPMOBHBMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 524   2021-11-30   
660-240 3 Chillicothe MO KSCYMOSWDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 524   2013-06-15   
660-240 5 Chillicothe MO KSCYMO09QMD  516C AT&T CORP. 524   2011-10-04   
660-240 6 Chillicothe MO KSCYMO09YMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 524   2014-05-22   
660-240 7 Chillicothe MO KSCYMO55DSG  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2021-03-25   
660-240 8 Chillicothe MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2004-12-15   
660-240 9 Chillicothe MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.