ZIP Code 01863
North Chelmsford · Middlesex, Massachusetts
01863 is the ZIP code of North Chelmsford in Middlesex, Massachusetts, United States.
- ZIP Code
- 01863
- County
- Middlesex
- State
- Massachusetts
- Country
- United States
Place with ZIP code 01863
| Place | County | Location |
|---|---|---|
| North Chelmsford | Middlesex | 42.635, -71.391 |
Near Boston
The nearest major city is Boston, about 41 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 01863?
North Chelmsford.
Which county and state is 01863 in?
Middlesex, Massachusetts, United States.
What is the nearest major city to 01863?
Boston, about 41 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.