Below is a list of Westhampton MA zip codes. For your research we have also included Westhampton Area Code, Time Zone, UTC and the local Hampshire County FIPS Code. Each Westhampton Massachusetts zip code has a center Longitude / Latitude point (the Westhampton center is -72.717697143555 / 42.291400909424). For your convenience we have also indicated if that zip code in Westhampton observes Daylight Savings time.