Billerica, MA

ZIP code 01821 encompasses the town of Billerica in Massachusetts. This area is known for its historical sites such as the Howe School, the Manning Manse, and the Talbot Mills, which provide a glimpse into the town's rich past. Billerica also boasts a variety of recreational opportunities, including Nutting Lake and the Shawsheen River, making it an attractive destination for outdoor enthusiasts.