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: 217

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-217 A Coal MO INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-217 1 Coal MO KSCYMO55DSG  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-04-20   
660-217 2 Coal MO INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2015-10-27   
660-217 3 Coal MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2006-09-25   
660-217 4 Coal MO KSCYMO55DSG  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2018-12-14   
660-217 5 Coal MO KSCYMO55DSG  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2019-10-25   
660-217 6 Coal MO KSCYMO55XSY  073H TELNYX LLC 524   2020-07-31   
660-217 7 Coal MO KSCAMO961MD  508J CENTURYLINK COMMUNICATIONS, LLC 524   2013-10-31   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.