1. United States Postal Service 100 Plaza Ct, Groton, CT 06340 Coordinate: 41.34973,-72.05082 Phone: (800) 275-8777
2. The UPS Store 220 Route 12 Ste 5, Groton, CT 06340 Coordinate: 41.3685,-72.0674 Phone: (860) 445-4700