Hellertown, PA is a city located in Northampton County, Pennsylvania and has a land area of 19.98 square miles (51.75 km2). The water area for the city is 0.21 square miles or 0.54 km2. There is one unique zip code in Hellertown, Pennsylvania and it is 18055. The area code(s) for Hellertown is 484/610.
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