Find the last 4 digits (ZIP+4) for an address in 01851

ZIP 01851, Lowell, MA is filled in. Just type the street address.

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ZIP Code 01851 – Lowell, MA

Lowell, Massachusetts · Middlesex County · Eastern time

ZIP code01851
CityLowell
StateMassachusetts
CountyMiddlesex County
Population33,403
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area3.23 sq mi
Center (lat, long)42.6280, -71.3368

Area codes in this area

781339

These are the area codes that most often serve ZIP 01851 (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

01853 Lowell · 1.1 mi01854 Lowell · 1.6 mi01852 Lowell · 2.1 mi01850 Lowell · 2.6 mi01824 Chelmsford · 2.7 mi01863 North Chelmsford · 3.1 mi01862 North Billerica · 4 mi01826 Dracut · 4 mi

About ZIP 01851

ZIP code 01851 is assigned to Lowell, Massachusetts. It lies in Middlesex County. Its Census area covers about 3.23 square miles of land. The closest neighboring ZIP is 01853 (Lowell), about 1.1 miles away.

Every address in 01851 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