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Plainville is a town in Hartford county in Connecticut. It was formed in 1869 from the following town or towns: Farmington. Plainville is a part of the Plainville probate district and has been since 1909. Farmington was/were the previous chronological district or districts. For more information, contact the county at Municipal Center 1 Central Sq. Plainville 06062-1900. On the attached map, Hartford is located at J3.
For information about the state of Connecticut see Connecticut Family History Research.