What is holden mass zip code?

Holden, Massachusetts has a single zip code- 01520. It is located in Worcester County and covers an area of 26.4 square miles. The population of Holden is approximately 18,000 people, and the town has a diverse mix of residential and commercial areas. The median household income in Holden is $102,000, and the town has a strong reputation for its excellent public schools and community services. Some of the notable landmarks in Holden include Quinapoxet Reservoir, Holden Arboretum, and Jefferson Elementary School.