Find the last 4 digits (ZIP+4) for an address in 01863

ZIP 01863, North Chelmsford, MA is filled in. Just type the street address.

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ZIP Code 01863 – North Chelmsford, MA

North Chelmsford, Massachusetts · Middlesex County · Eastern time

ZIP code01863
CityNorth Chelmsford
StateMassachusetts
CountyMiddlesex County
Population9,796
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.46 sq mi
Center (lat, long)42.6305, -71.3979

Area codes in this area

781339

These are the area codes that most often serve ZIP 01863 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

01854 Lowell · 2.8 mi01879 Tyngsboro · 3 mi01851 Lowell · 3.1 mi01824 Chelmsford · 3.5 mi01886 Westford · 3.8 mi01853 Lowell · 4.2 mi01850 Lowell · 5.1 mi01852 Lowell · 5.2 mi

About ZIP 01863

ZIP code 01863 is assigned to North Chelmsford, Massachusetts. It lies in Middlesex County. Its Census area covers about 4.46 square miles of land. The closest neighboring ZIP is 01854 (Lowell), about 2.8 miles away.

Every address in 01863 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources