340 Maple Ave, New Hampton, NY 10958. Find zip codes in New York. The location New Hampton, NY has 1 differents ZIP Codes. Hampton is part of the Eastern Standard Time. Best Places to Live in Hampton Bays (zip 11946), New York National center - Southeast corner of New York State, at mouth of Hudson River. The official US Postal Service name for 11946 is HAMPTON BAYS, New York. The area code for 12837 is 518.The total population for 12837 zip codes is 681 and covers total land area of 14.795 sq mi. Homes ... Zillow Home Value Price Index For New Hampton; Orange County NY Zip Codes; Disclaimer: School attendance zone boundaries are supplied by Pitney Bowes and are subject to change. New Hampton, NY ZIP Code - United States. What Time Zone is East Hampton, New York. $1,200,000. Find MoreCities in New York that start with H, Post Office Suburb:HAMPTON, NY, 12837-9998,