Find the last 4 digits (ZIP+4) for an address in 01831

ZIP 01831, Haverhill, MA is filled in. Just type the street address.

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ZIP Code 01831 – Haverhill, MA

Haverhill, Massachusetts · Essex County · Eastern time

ZIP code01831
CityHaverhill
StateMassachusetts
CountyEssex County
PopulationNot published (no Census ZIP area)
Time zoneEastern · local time
ZIP typePO box or unique ZIP (no Census area)
Center (lat, long)42.7711, -71.1221

Area codes in this area

351978

These are the area codes that most often serve ZIP 01831 (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

01832 Haverhill · 1.5 mi01835 Haverhill · 2 mi01844 Methuen · 3.5 mi01830 Haverhill · 3.9 mi01841 Lawrence · 4.1 mi01840 Lawrence · 4.8 mi01842 Lawrence · 4.9 mi03079 Salem · 5.2 mi

About ZIP 01831

ZIP code 01831 is assigned to Haverhill, Massachusetts. It lies in Essex County. It is a PO-box-only or single-address ZIP, so the Census Bureau does not publish an area for it; the location shown is approximate. The closest neighboring ZIP is 01832 (Haverhill), about 1.5 miles away.

Every address in 01831 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