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: 955

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-955 A Deepwater MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524      
660-955 0 Deepwater MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524   2009-02-13   
660-955 5 Deepwater MO KSCYMO55X0Z  965H FRACTEL, LLC 524   2019-11-14   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.