Reference DataRate Center DirectoryST JOHN, WA Rate CenterST JOHN — WAData last updated: June 25, 2026LATA676StateWAArea Codes1Exchanges (NXX)1Carriers1Coordinates47.091362349085, -117.582572179895Area Codes509Top CarriersCarrierOCNNXX CountST. JOHN TEL. CO.24421