Baltimore City postal codes — Maryland, United States
3 localities and postal codes in Baltimore City, within United States's three-level hierarchy.
Baltimore City postal codes
| Country | State | City | City | ZIP | Latitude | Longitude | Timezone |
|---|---|---|---|---|---|---|---|
| United States | Maryland | Baltimore City | Baltimore | 21201 | 39.295257 | -76.623948 | America/New_York |
| United States | Maryland | Baltimore City | Baltimore | 21212 | 39.290882 | -76.610759 | America/New_York |
| United States | Maryland | Baltimore City | Baltimore | 21215 | 39.290882 | -76.610759 | America/New_York |
Complete dataset
60,000 rows available in United States
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Get full database →About Baltimore City
Baltimore City is a city of Maryland, United States.
How postal codes work in Baltimore City
United States uses a single national postal-code format, written as 99999. Five digits, numeric only. Codes in Baltimore City follow that format like everywhere else in the country, for example 21212 for Baltimore.
Every code listed here for Baltimore City begins with the prefix 21, which groups its delivery areas together within United States's national numbering.
Postal codes across United States, Baltimore City 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 Baltimore City follows that same order:
What this dataset covers
This reference dataset lists 3 postal codes for Baltimore City, each paired with its locality and, where the source provides them, coordinates and a time zone.
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Baltimore City postal codes — frequently asked questions
What postal codes does Baltimore City use?
Every postal code listed here for Baltimore City begins with the prefix 21.
What format are postal codes in Baltimore City?
They use United States's national 99999 format. Five digits, numeric only. 21212 is one code from Baltimore City.
Who issues postal codes in Baltimore City?
United States Postal Service (USPS) issues and maintains postal codes throughout United States, Baltimore City included.
How many postal codes are listed for Baltimore City?
This reference dataset contains 3 postal codes for Baltimore City. That is the dataset's own count, not a claim about every code in use.
Which state is Baltimore City in?
Baltimore City is a city of Maryland, United States.