The city of Lowell, Massachusetts has five postal zip codes that are used by residents for mailing and receiving letters and packages. The five zip codes for Lowell, MA include: 01850, 01851, 01852, 01853, and 01854. Not all of the zip codes are residential. For example, zip code 01853 is used for post office boxes in Lowell.

If you want to mail a package or letter to someone in Lowell via United States Postal Service (USPS), Federal Express, UPS, or other package delivery service, it must have one of the five Lowell zip codes on it to be shipped.