Reference DataRate Center DirectoryWASHITNCTR, MO Rate CenterWASHITNCTR — MOData last updated: October 30, 2026LATA524StateMOArea Codes1Exchanges (NXX)1Carriers1Coordinates40.41860659595902, -94.158805858693Area Codes660Top CarriersCarrierOCNNXX CountGRAND RIVER MUTUAL TEL CO18881