Cecil County ZIP Codes
Maryland, United States · 17 codes
Cecil County in Maryland has 17 ZIP codes, from 21901 to 21930, serving 17 places.
ZIP codes in Cecil
Frequently asked questions
What is the ZIP code of Cecil?
Cecil has 17 ZIP codes, from 21901 to 21930. The table lists the places each one serves.
How many places are listed in Cecil County?
17 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.