Zip Code ReportHarford County ZIP codes
Every ZIP code in Harford County, Maryland, with the city it serves. Open any one for a free neighborhood report.
21 ZIP codes · Harford County, MD · FIPS 24025
ZIP codes
21 in this county21001Aberdeen21005Aberdeen Proving Ground21009Abingdon21010Gunpowder21014Bel Air21015Bel Air21017Belcamp21018Bensonunique21028Churchville21034Darlington21040Edgewood21047Fallston21050Forest Hill21078Havre De Grace21084Jarrettsville21085Joppa21130Perryman21132Pylesville21154Street21160Whiteford21161White Hall
1 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.