Baltimore ZIP Code List — Baltimore City County, MD
There are 40 unique ZIP codes in Baltimore, Maryland. Area code: 443/410/667.
40
ZIP codes
85.25
sq mi land
6.09
sq mi water
443/410/667
area code
Baltimore, MD ZIP code map
About Baltimore, MD
Baltimore, Maryland, is a vibrant city known for its rich history and diverse culture. Located in the central part of the state, it serves as the largest city in Maryland and is recognized for its historic waterfront, unique neighborhoods, and contributions to art and music. The city's character is a blend of urban energy and historical significance, attracting visitors with its iconic sites and local charm.
Location & geography
Situated in the Chesapeake Bay region, Baltimore is defined by its proximity to various bodies of water, including the Patapsco River and the Chesapeake Bay itself. The city spans an impressive land area of 80.49 square miles, with an additional 6.09 square miles designated as water. Baltimore is approximately 40 miles north of Washington, D.C., and around 100 miles south of Philadelphia, making it a significant point of access in the Mid-Atlantic.
Community & economy
Baltimore boasts a diverse and dynamic community within its approximately 34 ZIP codes. The city exhibits a predominantly urban character, with a mix of residential neighborhoods that range from historic row homes to modern apartments. Major industries in Baltimore include healthcare, education, and shipping, contributing to an active daily life filled with cultural events and local gatherings.
Transportation
Baltimore is well-connected by several major highways, including Interstate 95 and Interstate 295, which facilitate easy travel to neighboring cities. The Baltimore/Washington International Thurgood Marshall Airport (BWI) is approximately 10 miles south of the city, providing both domestic and international flights. Public transportation options include the Maryland Transit Administration, which offers bus services and the Light RailLink for accessing various parts of the city.
History
Baltimore's history dates back to its founding in 1729 and has been shaped by its strategic location as a port city. The city played a pivotal role during the War of 1812, particularly known for the Battle of Baltimore, which inspired the writing of 'The Star-Spangled Banner.' Over the years, Baltimore has evolved into a center for commerce, education, and culture, reflecting its historical significance in American history.
Did you know?
One surprising fact about Baltimore is that it is home to the first public statue of a woman in the United States, known as the 'Spirit of the Confederacy'. Additionally, Baltimore is the birthplace of the national anthem, with Fort McHenry serving as the backdrop for its composition.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What ZIP codes does Baltimore, MD have?
Baltimore, MD has 37 ZIP codes: 21201, 21202, 21205, 21206, 21209, 21210, 21211, 21212, 21213, 21214, 21215, 21216, 21217, 21218, 21223, 21224, 21229, 21230, 21231, 21233, 21235, 21239, 21240, 21240, 21241, 21250, 21251, 21263, 21264, 21273, 21275, 21278, 21279, 21287, 21289, 21290, 21298. Each ZIP code serves a distinct delivery area within the city and surrounding region.
What is the main ZIP code for Baltimore, MD?
The primary ZIP code for Baltimore, MD is 21250. The city uses area code 410 or 443 for phone service.
What county is Baltimore, MD in?
Baltimore is located in Baltimore County, Maryland.
How many ZIP codes are in Baltimore, MD?
Baltimore, MD has 37 ZIP codes.
What ZIP codes cover the Inner Harbor and downtown Baltimore business district?
The Inner Harbor and downtown Baltimore are primarily served by ZIP codes 21201 and 21202, which encompass the central business district and waterfront areas including the National Aquarium and historic harbor.
Which ZIP codes serve the Johns Hopkins University main campus area in Baltimore?
Johns Hopkins University's main campus on the east side of Baltimore is located in ZIP code 21218, with nearby residential areas also covered by ZIP codes 21213 and 21214.
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