Post Offices
Post Offices in & near McGowan, Washington. Operating hours, locations, phone/fax number, services information.
Chinook Post Office
Post Office in Chinook, Washington on Hwy 101. Operating hours, phone number, services information, and other locations.
Address: 766 Hwy 101, Chinook, WA 98614
Phone: 360-777-8787
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 10:00am - 2:00pmTuesday 10:00am - 2:00pm
Wednesday 10:00am - 2:00pm
Thursday 10:00am - 2:00pm
Friday 10:00am - 2:00pm
Saturday Closed
Sunday Closed
Lobby Hours
Monday 24 hoursTuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Last Collection Times
Monday 4:45pmTuesday 4:45pm
Wednesday 4:45pm
Thursday 4:45pm
Friday 4:45pm
Saturday 9:45am
Sunday Closed