There is one unique ZIP code in Frederick, Pennsylvania and it is 19435. Area code: 610.
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ZIP codes
1.19
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sq mi water
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area code
Frederick, PA ZIP code map
About Frederick, PA
Frederick, Pennsylvania is a small unincorporated community located in Montgomery County, in the southeastern corner of the state. Served by a single ZIP code, 19435, this quiet borough sits within the rolling landscape that characterizes much of upper Montgomery County. Despite its modest size, Frederick offers residents a close-knit environment with easy access to the broader Philadelphia metropolitan region.
Location & geography
Frederick, PA is situated in the northern reaches of Montgomery County, positioned near the border with Berks County and within the broader countryside of the Perkiomen Valley region. Nearby communities include Boyertown approximately 4 miles to the northwest, Pottstown roughly 7 miles to the west, and Collegeville about 12 miles to the southeast, placing Frederick within comfortable reach of several larger towns. The community covers a compact land area of just 1.19 square miles and has no recorded water area, reflecting its predominantly terrestrial, gently rolling terrain typical of the Pennsylvania Piedmont.
Community & economy
Frederick, PA has the character of a quiet, rural Pennsylvania community where residents value the peaceful pace of small-town living and the natural scenery of Montgomery County's northern countryside. The surrounding area supports agricultural activity, light industry, and small businesses, with many residents commuting to larger nearby employment centers such as Pottstown, Collegeville, or even the greater Philadelphia area. Daily life in Frederick revolves around community ties, local schools within the Boyertown Area School District, and the outdoor recreational opportunities afforded by the rolling hills and open land of upper Montgomery County.
Transportation
Frederick, PA is conveniently accessible via Pennsylvania Route 73, which runs through the area and connects the community to neighboring towns such as Boyertown and Skippack. Interstate 476, the Pennsylvania Turnpike's northeast extension, can be reached within a reasonable drive to the south, providing broader regional connectivity. The nearest major commercial airport is Philadelphia International Airport, located approximately 45 to 50 miles to the southeast, while Lehigh Valley International Airport to the north offers an additional option for air travel.
History
Frederick, Pennsylvania developed as part of the broader settlement of Montgomery County's agricultural interior during the 18th and 19th centuries, when German-speaking immigrants from Europe helped establish farming communities throughout this region of the Pennsylvania countryside. The area's economy historically centered on farming, milling, and the small-scale trades that supported rural Pennsylvania life, a heritage still visible in the architecture and layout of the surrounding landscape. Like many communities in this part of Montgomery County, Frederick remained largely rural through the 20th century, preserving much of its original character even as suburban development expanded across other parts of the region.
Did you know?
One of the more surprising aspects of Frederick, PA is that despite being located in one of Pennsylvania's most populous counties, it retains a distinctly rural and unhurried atmosphere that feels worlds apart from the suburban density found closer to Philadelphia. Frederick's single ZIP code, 19435, serves as a small but distinct postal identity for a community that has managed to maintain its quiet, small-town charm within the dynamic and historically rich landscape of Montgomery County.
