Reference Data Rate Center Directory JAMESPORT, MO Rate Center JAMESPORT — MO Data last updated: March 10, 2026 LATA 524 State MO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.97473250000002, -93.80105380000002 Area Codes 660 Top Carriers Carrier OCN NXX Count GRAND RIVER MUTUAL TEL CO 1888 1
