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U.S. ZIP Code 03857
5-digit United States postal code #03857, Newmarket, NH
ZIP code 03857 is located in the city (place name) Newmarket, сounty Rockingham in the state of New Hampshire. The population in ZIP code 03857 is 9006 and the population density is 275.0. ZIP code 03857 refers to сounty Rockingham having сounty FIPS 33015, the ratio of people from different counties in this ZIP code is as follows: all county weights - 33015: 100%. In the area of the ZIP code 03857 valid time zone America/New_York.
ZIP: 03857
County: Rockingham
Place Name: Newmarket
State: New Hampshire
State Abbreviation: NH
Coordinates: 43° 4' 8.796" N, 70° 57' 6.624" W
Latitude: 43.069110000000
Longitude: -70.951840000000
Population: 9006
Density: 275.0/km2
Time zone: America/New_York
County FIPS: 33015
All county weights: 33015: 100%