Reference DataRate Center DirectoryCRYSTAL, ND Rate CenterCRYSTAL — NDData last updated: October 30, 2026LATA636StateNDArea Codes1Exchanges (NXX)1Carriers1Coordinates48.59640685619946, -97.66913178620695Area Codes701Top CarriersCarrierOCNNXX CountPOLAR COMMUN MUTUAL AID CORP.16301