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.

Switch: BTHNMOXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
660-326 A Denver MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-425 A Bethany MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-426 A Bethany MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-426 1 Bethany MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-426 3 Bethany MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-426 4 Bethany MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-426 5 Bethany MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-426 6 Bethany MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-426 7 Bethany MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-426 8 Bethany MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-426 9 Bethany MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-439 A New Hampton MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-448 A Gentry MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-652 A Barnard MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-666 A Darlington MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-799 A Sheridan MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-824 A Mount Moriah MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-845 A Washington Center MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-867 A Eagleville MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-872 A Ridgeway MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-876 A Gilman City MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-893 A Cainsville MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-937 A Ravenwood MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-939 A Graham MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-944 A Conception Junction MO 1888 GRAND RIVER MUTUAL TEL CO 524      
660-986 A Parnell MO 1888 GRAND RIVER MUTUAL TEL CO 524      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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