There is one unique ZIP code in Forest Hill, Maryland and it is 21050. Area code: 443/410.
1
ZIP codes
29.00
sq mi land
0.11
sq mi water
443/410
area code
Forest Hill, MD ZIP code map
About Forest Hill, MD
Forest Hill is a charming community located in Harford County, Maryland, serving as one of the county's most recognizable suburban destinations. Covered by a single ZIP code — 21050 — the area offers residents a blend of small-town warmth and convenient access to the greater Baltimore metropolitan region. With its tree-lined streets, quality schools, and strong community identity, Forest Hill continues to attract families and professionals seeking a quieter pace of life within commuting distance of major urban centers.
Location & geography
Forest Hill is situated in the northern reaches of Maryland's Harford County, lying roughly 25 miles northeast of Baltimore and approximately 15 miles south of the Pennsylvania state line. Neighboring communities include Bel Air to the south, Fallston to the southwest, and Street to the north, placing Forest Hill at a central crossroads within the county. The community spans 29.00 square miles of land and just 0.11 square miles of water, reflecting its predominantly rolling, wooded terrain with modest stream corridors weaving through the landscape.
Community & economy
Forest Hill carries the character of an established suburban community where longtime residents and newer arrivals share a strong sense of local pride and civic engagement. The local economy reflects a mix of retail, healthcare services, professional offices, and small businesses, with many residents commuting to employment centers in Baltimore, Bel Air, and the Aberdeen area. Day-to-day life in Forest Hill revolves around its well-regarded schools within the Harford County Public Schools system, community parks, local dining, and convenient access to shopping along the MD-24 corridor.
Transportation
Forest Hill is served primarily by Maryland Route 24 (MD-24), a key north-south arterial road that connects the community directly to Bel Air to the south and provides access to Interstate 95 and US Route 1 for regional travel. Maryland Route 23 also passes through the area, offering an east-west connection to neighboring communities. The nearest major commercial airport is Baltimore/Washington International Thurgood Marshall Airport (BWI), located approximately 40 miles to the southwest, while residents may also utilize the MARC Train's northeast corridor for rail access to Baltimore and Washington, D.C.
History
Forest Hill developed as a rural agricultural community in the 19th century, with its growth tied closely to the fertile farmlands of northern Harford County and the local timber industry that gave the area its name. The arrival of improved roadways and, later, suburban development in the mid-to-late 20th century transformed Forest Hill from a quiet farm village into a thriving residential community. Throughout its evolution, the area has maintained connections to its agricultural roots, with historic farmsteads and country roads still visible alongside modern residential neighborhoods.
Did you know?
One little-known aspect of Forest Hill is that despite its suburban feel today, the broader Harford County area surrounding it is home to some of the oldest documented European settlement sites in Maryland, giving the region deep historical layers beneath its modern landscape. Forest Hill's single ZIP code, 21050, covers a surprisingly expansive 29 square miles of territory, making it one of the larger single-ZIP communities in terms of land area within Harford County.
