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: 723

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-723 A Warsaw MO WRBGMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-723 0 Warsaw MO WRBGMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-723 1 Warsaw MO WRBGMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-723 2 Warsaw MO WRBGMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-723 3 Warsaw MO WRBGMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-723 4 Warsaw MO WRBGMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-723 5 Warsaw MO WRBGMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-723 6 Warsaw MO WRBGMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-723 7 Warsaw MO KSCYMO55XSY  073H TELNYX LLC 524      
660-723 8 Warsaw MO KSCYMO09YMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 524      
660-723 9 Warsaw MO WRBGMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.