Groton Naval Base Post Office

1 Naval Submarine Base, Groton, CT 06349

Contact Numbers

Phone: 860-445-7744
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 8:00am - 3:30pm
Tuesday 8:00am - 3:30pm
Wednesday 8:00am - 3:30pm
Thursday 8:00am - 3:30pm
Friday 8:00am - 3:30pm
Saturday Closed
Sunday Closed

Last Collection Times

Monday 3:30pm
Tuesday 3:30pm
Wednesday 3:30pm
Thursday 3:30pm
Friday 3:30pm
Saturday 1:00pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Quaker Hill
132 Old Norwich Rd
1.0 miles away

Gales Ferry
12 Military Hwy
1.4 miles away

Borough
202 Thames St
1.5 miles away

New London
27 Masonic St Ste 1
1.5 miles away

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