What city is ZIP code 21251?

21251 is a Baltimore, Maryland ZIP code.

What county is 21251 in?

ZIP code 21251 is in Baltimore city, Maryland.

What time zone is ZIP code 21251 in?

21251 is in the Eastern Time zone (America/New_York).

What area code is 21251?

Phone numbers in ZIP code 21251 use area codes 410, 443 and 667.

What is the population of ZIP code 21251?

About 191 people live in ZIP code 21251, according to the Census Bureau’s American Community Survey (2020–2024).

Can I use 21251 for a street address?

Only for mail to the organization it is assigned to. Other addresses in Baltimore use a standard ZIP code.

What ZIP codes are near 21251?

The nearest ZIP codes to 21251 are 21214 (Baltimore, 1.2 miles), 21239 (Baltimore, 1.3 miles), 21218 (Baltimore, 1.6 miles) and 21213 (Baltimore, 2 miles).

ZIP code 21251

Where is ZIP code 21251?

Baltimore, Maryland

Baltimore city · Unique ZIP code

ZIP code 21251 belongs to Baltimore, Maryland in Baltimore city. 21251 is a unique ZIP code assigned to a single organization (Morgan State University) that gets a lot of mail. It is in the Eastern Time zone and uses area codes 410, 443 and 667. About 191 people live in the 21251 area. The closest ZIP codes are 21214 (Baltimore, 1.2 mi northeast), 21239 (Baltimore, 1.3 mi north) and 21218 (Baltimore, 1.6 mi southwest).

ZIP code	21251
Type	Unique ZIP code for a single organization
Status	Active
City	Baltimore
State	Maryland (MD)
County	Baltimore city
Time zone	Eastern Time · now
Area codes	410, 443, 667
Coordinates	39.3423, -76.5821 map
3-digit prefix	212

Population and income in 21251

Population	191 · lower than 91% of Maryland ZIP codes
People per square mile	1,619 · higher than 72% of Maryland ZIP codes
Median age	19.5 years · lower than 99% of Maryland ZIP codes
Men / women	69% / 31%
Income per person	$14,981
Bachelor’s degree or higher	50% of adults 25+
Housing units	0
Households	0
Land area	0.12 sq mi

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21251. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 21251

ZIP code	City	Distance	Type
21214	Baltimore, MD	1.2 mi NE	Standard
21239	Baltimore, MD	1.3 mi N	Standard
21218	Baltimore, MD	1.6 mi SW	Standard
21213	Baltimore, MD	2 mi S	Standard
21212	Baltimore, MD	2 mi NW	Standard
21206	Baltimore, MD	2.2 mi E	Standard
21210	Baltimore, MD	2.7 mi W	Standard
21211	Baltimore, MD	2.8 mi W	Standard
21205	Baltimore, MD	2.9 mi S	Standard
21287	Baltimore, MD	3.1 mi S	Standard
21202	Baltimore, MD	3.2 mi SW	Standard
21231	Baltimore, MD	3.7 mi S	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21251 or measure the distance to another ZIP code.

How to address mail to 21251

JANE SMITH
123 MAIN ST
BALTIMORE MD 21251

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21251-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Baltimore, MD

All Baltimore ZIP codes with population and income →

Questions

What city is ZIP code 21251?: 21251 is a Baltimore, Maryland ZIP code.
What county is 21251 in?: ZIP code 21251 is in Baltimore city, Maryland.
What time zone is ZIP code 21251 in?: 21251 is in the Eastern Time zone (America/New_York).
What area code is 21251?: Phone numbers in ZIP code 21251 use area codes 410, 443 and 667.
What is the population of ZIP code 21251?: About 191 people live in ZIP code 21251, according to the Census Bureau’s American Community Survey (2020–2024).
Can I use 21251 for a street address?: Only for mail to the organization it is assigned to. Other addresses in Baltimore use a standard ZIP code.
What ZIP codes are near 21251?: The nearest ZIP codes to 21251 are 21214 (Baltimore, 1.2 miles), 21239 (Baltimore, 1.3 miles), 21218 (Baltimore, 1.6 miles) and 21213 (Baltimore, 2 miles).