Ayer zip code

Zip code in Ayer, MA

The location Ayer belongs to Middlesex County, state of Massachusetts. Ayer has 2 zip codes which you can see in the following table.

Ayer is the official name of the location so if you want to use the US Postal Service you must use that name.

Zip code Type Population
01432 STANDARD 7,440
01434 STANDARD 420