Post office locations in 06357
| Post Office | Address | Phone | Hours |
| NIANTIC | 58 PENNSYLVANIA AVE STE 2 NIANTIC, CT 06357 - 9991 | 860-739-8211 | Mon-Fri 8:30am - 5:00pm Sat 8:30am - 12:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| NIANTIC | 58 PENNSYLVANIA AVE STE 2 NIANTIC, CT 06357 - 9991 | 860-739-8211 | Mon-Fri 8:30am - 5:00pm Sat 8:30am - 12:00pm Sun Closed |