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: 898

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-898 A Clinton MO WRBGMOAK1MD  6701 AERIAL COMMUNICATIONS, INC. 524      
660-898 0 Clinton MO KSCYMO55X8Z  495J STRATUS NETWORKS 524   2021-02-19   
660-898 1 Clinton MO WRBGMOAK1MD  5562 METROPCS, INC. 524   2021-05-08   
660-898 2 Clinton MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2021-05-14   
660-898 3 Clinton MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2021-05-14   
660-898 4 Clinton MO   6701 AERIAL COMMUNICATIONS, INC. 524   2025-10-03   
660-898 5 Clinton MO WRBGMOAK1MD  6701 AERIAL COMMUNICATIONS, INC. 524   2021-06-12   
660-898 6 Clinton MO   6701 AERIAL COMMUNICATIONS, INC. 524   2025-11-24   
660-898 7 Clinton MO WRBGMOAK1MD  6701 AERIAL COMMUNICATIONS, INC. 524   2021-06-12   
660-898 8 Clinton MO MAVLMOXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2021-04-27   
660-898 9 Clinton MO WRBGMOAK1MD  6701 AERIAL COMMUNICATIONS, INC. 524   2021-02-08   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.