Ayer, MA ZIP Codes, Coordinates & Counties

Ayer, Massachusetts has 1 ZIP code in Middlesex county. The approximate center of Ayer is 42.565, -71.571. Ayer has about 22,303 known street addresses.

ZIP codes
1
Counties
1
State
Massachusetts (MA)
Coordinates
42.565, -71.571
Mapped addresses
22,303

ZIP codes in Ayer, MA

ZIP CodeCountyLatitudeLongitude
01432 Middlesex 42.565 -71.571

Counties Ayer spans

Middlesex

Most common streets in Ayer

Columbia, Main, Woodland, Pleasant, Washington, Pond, Littleton, Park, Willard, Central

Frequently asked questions

What ZIP codes are in Ayer, MA?

Ayer, Massachusetts has 1 ZIP code, ranging from 01432 to 01432. The full list, with each ZIP's county and coordinates, is in the table on this page.

What county is Ayer, MA in?

Ayer is in Middlesex county.

What are the latitude and longitude of Ayer, MA?

The approximate center of Ayer, Massachusetts is latitude 42.565, longitude -71.571. Coordinates for each ZIP code are listed in the table above.

How many ZIP codes does Ayer, MA have?

Ayer has 1 ZIP code.

How many addresses are in Ayer, MA?

Ayer, Massachusetts has about 22,303 known street addresses in the sthan.io US address database.

What are the most common streets in Ayer, MA?

Some of the most common street names in Ayer are Columbia, Main, Woodland, Pleasant, Washington, Pond.

What cities are near Ayer, MA?

Cities near Ayer include Devens (3 mi), Groton (3 mi), Harvard (4 mi), Shirley (4 mi), Littleton (5 mi).

Cities near Ayer

Devens, MA (3 mi) Groton, MA (3 mi) Harvard, MA (4 mi) Shirley, MA (4 mi) Littleton, MA (5 mi) Boxborough, MA (6 mi) Still River, MA (6 mi) Westford, MA (7 mi)

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Last updated: June 2026 · Data: sthan.io US address database