Post Offices

Post Offices in & near Nassau Bay, Texas. Operating hours, locations, phone/fax number, services information.

Nassau Bay Post Office

Nassau Bay Post Office in Houston, Texas on Upper Bay Rd. Operating hours, phone number, services information, and other locations.

Address: 18214 Upper Bay Rd, Houston, TX 77058
Phone: 281-335-9357
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:00pm
Tuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 8:30am - 12:00pm
Sunday Closed

Lobby Hours

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 5:15pm
Tuesday 5:15pm
Wednesday 5:15pm
Thursday 5:15pm
Friday 5:15pm
Saturday 3:00pm
Sunday Closed