United States · Maryland · Area
Harford postal codes — Maryland, United States
Harford postal codes: 21010 to 21154 (3 codes listed).
Across 3 localities in Harford.
Postal codes
Harford postal codes
| Country | State | Area | Locality | ZIP | Latitude | Longitude | Timezone |
|---|---|---|---|---|---|---|---|
| United States | Maryland | Harford | Gunpowder | 21010 | 39.436100 | -76.369124 | America/New_York |
| United States | Maryland | Harford | Joppa | 21085 | 39.433719 | -76.357737 | America/New_York |
| United States | Maryland | Harford | Street | 21154 | 39.668994 | -76.379405 | America/New_York |
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About Harford
Harford is an area of Maryland, United States.
How postal codes work in Harford
Every code listed here for Harford begins with the prefix 21.
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