Home › Top 6 Gas Stations in Plainville, Connecticut Find best Gas Stations in Plainville, Connecticut, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. PLAINVILLE CITGO US, Plainville, CT 06062147 N Washington St Dairy Plus Gas US, Plainville, CT 06062269 N Washington St Gulf - Plainville (CT 06062) US, Plainville, CT 06062147 N Washington St Cumberland Farms - Plainville (CT 06062) US, Plainville, CT 0606264 Broad St Sunoco Gas Station - Plainville (CT 06062) US, Plainville, CT 06062263 East St Valero - Plainville US, Plainville, CT 0606267 E Main St