Dover is a city in Strafford County, New Hampshire. It has an approximate population of 30,665 inhabitants. The population density is 443 people per square kilometer.
The postal code of Dover is 03821, with area code: 603.


Dover’s time zone is Atlantic Standard Time (EST). It is now 23:47 hours there.
The over all area of Dover is 75.20 sq. kilometers of which 69.20 sq. kilometers is land and 7.96 sq. km is water. The height in meters of Dover is 15.00 meters.
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