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: 329

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-329 A Carrollton MO INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-329 0 Carrollton MO INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-329 1 Carrollton MO INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2008-03-19   
660-329 2 Carrollton MO INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-329 3 Carrollton MO INDPMOBHBMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 524   2023-09-09   
660-329 6 Carrollton MO KSCYMO09YMD  6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 524   2017-04-03   
660-329 8 Carrollton MO KSCYMO55XNY  073H TELNYX LLC 524   2018-10-19   
660-329 9 Carrollton MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2004-12-15   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.