West Lebanon is an area within the city of Lebanon in Grafton County, New Hampshire, United States, along the Connecticut River. The ZIP Code area for the community had a population of 4,444 at the 2020 census, out of 14,282 in the entire city. West Lebanon contains a major commercial strip along New Hampshire Route 12A, serving the Upper Valley communities along Interstates 89 and 91. It also hosts the Lebanon Municipal Airport, a number of small software and tech businesses, and a regional daily newspaper, the Valley News. The village serves as a bedroom community for nearby Dartmouth College.