Reference Data Rate Center Directory DENVER, MO Rate Center DENVER — MO Data last updated: March 10, 2026 LATA 524 State MO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 40.39754400984768, -94.32283579078538 Area Codes 660 Top Carriers Carrier OCN NXX Count GRAND RIVER MUTUAL TEL CO 1888 1
