North Hartland, Vermont Post Office 05052
North Hartland, Vermont Post Office 05052 . The population was 3,446 at the 2020 census. North hartland, vermont zip code map & detailed. 05048 Zip Code (North Hartland, Vermont) Profile homes, apartments, schools, population from www.city-data.com Find directions to 05048, browse local businesses,. Zip code 05048 is located mostly in windsor county, vt. The population was 3,446 at the 2020 census.