Reference DataRate Center DirectoryCONCETNJCT, MO Rate CenterCONCETNJCT — MOData last updated: October 30, 2026LATA524StateMOArea Codes1Exchanges (NXX)1Carriers1Coordinates40.268615143749, -94.68993153039101Area Codes660Top CarriersCarrierOCNNXX CountGRAND RIVER MUTUAL TEL CO18881