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Postal Black Diamond Post Office
25228 Baker St, Black Diamond, WA 98010
Phone: 360-886-9429
Fax: 360-886-1337
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 5:00am - 9:00pm
Tuesday 5:00am - 9:00pm
Wednesday 5:00am - 9:00pm
Thursday 5:00am - 9:00pm
Friday 5:00am - 9:00pm
Saturday 5:00am - 9:00pm
Sunday 5:00am - 9:00pm
Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 10:30pm
Sunday Closed
Monday 10:00am - 3:00pm
Tuesday 10:00am - 3:00pm
Wednesday 10:00am - 3:00pm
Thursday 10:00am - 3:00pm
Friday 10:00am - 3:00pm
Saturday Closed
Sunday Closed
*An appointment is required to apply for or renew US Passports. Please Call or schedule online.
Monday 9:00am - 3:00pm
Tuesday 9:00am - 3:00pm
Wednesday 9:00am - 3:00pm
Thursday 9:00am - 3:00pm
Friday 9:00am - 3:00pm
Saturday Closed
Sunday Closed
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:
Ravensdale
27200 272nd Ave SE
2.2 miles away
Maple Valley
22023 SE Wax Rd
3.7 miles away
Enumclaw
1742 Cole St
4.3 miles away
Enumclaw Carrier Annex
1005 Washington Ave
4.3 miles away
King County
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