Reference DataRate Center DirectoryCHAMOIS, MO Rate CenterCHAMOIS — MOData last updated: October 30, 2026LATA521StateMOArea Codes1Exchanges (NXX)1Carriers1Coordinates38.675607304175, -91.76893476755698Area Codes573Top CarriersCarrierOCNNXX CountBRIGHTSPEED OF MISSOURI, LLC97871