Plainfield
Town in New Hampshire
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Plainfield is a town in Sullivan County, New Hampshire, United States. At the time of the 2020 census, the town had a population of 2,459. The town is home to the Helen Woodruff Smith Bird Sanctuary and Annie Duncan State Forest. Wikipedia
Population: 2,379 (2018)
ZIP Codes: 03781 (Plainfield); 03770 (Meriden)
Area code: 603
Elevation: 522 ft (159 m)