ZIP Code 03857
Newmarket, New Hampshire · Rockingham County
No1243
Zip03857
TypeSTANDARD
Decommissioned0
Primary CityNewmarket
Acceptable Cities—
Unacceptable Cities—
StateNH
LstateNew Hampshire
CountyRockingham County
TimezoneAmerica/New_York
Area Codes603
World RegionNA
CountryUS
Latitude43,07
Longitude-70,94