Hereford zip code

Zip code in Hereford, MD

The location Hereford belongs to Baltimore County, state of Maryland. Hereford has been assigned with the zip code 21111.

The location name Hereford is listed as acceptable by the US Postal Service so it can be used in your mailings just fine. You can also use any of the following names: Hereford.
Zip code Type Population
21111 STANDARD 4,920