Harford County, Maryland
20 ZIP codes · 437.13 sq mi of land · FIPS 24025
| Population | 263,757 |
|---|---|
| State | Maryland |
| FIPS code | 24025 |
| Time zone | Eastern |
| Land area | 437.13 sq mi |
| Center (lat, long) | 39.5374, -76.2998 |
Area codes in this area
These are the area codes that most often serve Harford County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
Edgewood · 24,922Aberdeen · 17,298Aberdeen Proving GroundAbingdonGunpowderBel AirBelcampChurchvilleDarlingtonFallstonForest HillHavre De GraceJarrettsvilleJoppaPerrymanPylesvilleStreetWhitefordWhite Hall
ZIP codes in Harford County
21001 Aberdeen21005 Aberdeen Proving Ground21009 Abingdon21010 Gunpowder21014 Bel Air21015 Bel Air21017 Belcamp21028 Churchville21034 Darlington21040 Edgewood21047 Fallston21050 Forest Hill21078 Havre De Grace21084 Jarrettsville21085 Joppa21130 Perryman21132 Pylesville21154 Street21160 Whiteford21161 White Hall
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.