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Harford County post codes

Codes

21

About Harford County

Harford County is in Maryland (MD), United States. It covers 20 places and 21 post codes in the 5 digits format.

This page contains 21 post code records. Every post code on this page maps to a single place.

Nearby counties include Baltimore County, Cecil County, Baltimore (city) County. Other counties in Maryland (MD) include Allegany County, Anne Arundel County, Baltimore County.

Addresses in Harford County usually include the place, county, state, post code, and country; confirm the local order before mailing.

At a glance

Country
United States
Region
Maryland (MD)
County
Harford County
Codes
21 · 21001, 21005, 21009, 21010
Places
20
Format
5 digits
Coordinates
39.5453, -76.3146

Address example

POSTCODEDOGGlobal postal index
Harford County
Maryland
21001
United States

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 Harford County?

20

How many post codes are in Harford County?

21

Which state is Harford County in?

Maryland (MD)

What is the post code format?

5 digits