Middlesex County post codes
Codes
45About Middlesex County
Middlesex County is in New Jersey (NJ), United States. It covers 34 places and 45 post codes in the 5 digits format.
This page contains 45 post code records. Every post code on this page maps to a single place.
Nearby counties include Somerset County, Union County, Monmouth County. Other counties in New Jersey (NJ) include Atlantic County, Bergen County, Burlington County.
Addresses in Middlesex County usually include the place, county, state, post code, and country; confirm the local order before mailing.
At a glance
Address example
Postal formats vary by country; these are the address elements.
Shared post codes
Every post code on this page maps to a single place.
Location
FAQ
How many places are in Middlesex County?
34
How many post codes are in Middlesex County?
45
Which state is Middlesex County in?
New Jersey (NJ)
What is the post code format?
5 digits