Mashantucket, CT

Located in Groton, Connecticut, ZIP code 06338 is home to the U.S. Naval Submarine Base New London, a prominent landmark known for its role in the Navy's submarine force. The base is a significant naval installation, providing support for submarines, sailors, and their families. The area also features the historic Fort Griswold Battlefield State Park, which commemorates the Revolutionary War battle that took place there in 1781.