Harford postal codes — Maryland, United States
3 localities and postal codes in Harford, within United States's three-level hierarchy.
Harford postal codes
| Country | State | City | City | 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 |
Complete dataset
60,000 rows available in United States
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Get full database →About Harford
Harford is a city of Maryland, United States.
How postal codes work in Harford
United States uses a single national postal-code format, written as 99999. Five digits, numeric only. Codes in Harford follow that format like everywhere else in the country, for example 21010 for Gunpowder.
Every code listed here for Harford begins with the prefix 21, which groups its delivery areas together within United States's national numbering.
Postal codes across United States, Harford included, are issued and maintained by United States Postal Service (USPS).
Addressing format
Addresses in United States are written [House number] [Street name], [City] [Region] [Postal code], and an address in Harford follows that same order:
What this dataset covers
This reference dataset lists 3 postal codes for Harford, each paired with its locality and, where the source provides them, coordinates and a time zone.
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Harford postal codes — frequently asked questions
What postal codes does Harford use?
Every postal code listed here for Harford begins with the prefix 21.
What format are postal codes in Harford?
They use United States's national 99999 format. Five digits, numeric only. 21010 is one code from Harford.
Who issues postal codes in Harford?
United States Postal Service (USPS) issues and maintains postal codes throughout United States, Harford included.
How many postal codes are listed for Harford?
This reference dataset contains 3 postal codes for Harford. That is the dataset's own count, not a claim about every code in use.
Which state is Harford in?
Harford is a city of Maryland, United States.