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]

Region: MO

OCN: 1888 GRAND RIVER MUTUAL TEL CO

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
660-244 A Purdin MO PRTNMOXADS0  524      
660-286 A Laredo MO PRTNMOXADS0  524      
660-326 A Denver MO BTHNMOXADS0  524      
660-382 A Mercer MO PRTNMOXADS0  524      
660-425 A Bethany MO BTHNMOXADS0  524      
660-426 A Bethany MO BTHNMOXADS0  524      
660-426 1 Bethany MO   524      
660-426 3 Bethany MO   524      
660-426 4 Bethany MO   524      
660-426 5 Bethany MO   524      
660-426 6 Bethany MO   524      
660-426 7 Bethany MO   524      
660-426 8 Bethany MO   524      
660-426 9 Bethany MO   524      
660-439 A New Hampton MO BTHNMOXADS0  524      
660-448 A Gentry MO BTHNMOXADS0  524      
660-485 A Spickard MO PRTNMOXADS0  524      
660-592 A Powersville MO PRTNMOXADS0  524      
660-639 A Chula MO PRTNMOXADS0  524      
660-652 A Barnard MO BTHNMOXADS0  524      
660-666 A Darlington MO BTHNMOXADS0  524      
660-673 A Galt MO PRTNMOXADS0  524      
660-684 A Jamesport MO PRTNMOXADS0  524      
660-735 A South Davis City MO LEONIAXODS0  632      
660-748 A Princeton MO PRTNMOXADS0  524      
660-789 A Brimson MO PRTNMOXADS0  524      
660-793 A Lucerne MO PRTNMOXADS0  524      
660-794 A Newtown MO PRTNMOXADS0  524      
660-799 A Sheridan MO BTHNMOXADS0  524      
660-824 A Mount Moriah MO BTHNMOXADS0  524      
660-845 A Washington Center MO BTHNMOXADS0  524      
660-867 A Eagleville MO BTHNMOXADS0  524      
660-872 A Ridgeway MO BTHNMOXADS0  524      
660-875 A South Lineville MO LEONIAXODS0  632      
660-876 A Gilman City MO BTHNMOXADS0  524      
660-878 A Andover MO LEONIAXODS0  632      
660-893 A Cainsville MO BTHNMOXADS0  524      
660-895 A Linneus MO PRTNMOXADS0  524      
660-937 A Ravenwood MO BTHNMOXADS0  524      
660-938 A Meadville MO PRTNMOXADS0  524      
660-939 A Graham MO BTHNMOXADS0  524      
660-944 A Conception Junction MO BTHNMOXADS0  524      
660-946 A Browning MO PRTNMOXADS0  524      
660-986 A Parnell MO BTHNMOXADS0  524      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.