Capitol Annex Delivery Post Office

702 E Washington Ave Lowr, Madison, WI 53703

Contact Numbers

Phone: 608-251-6980
Fax: 608-251-2303
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Lobby Hours

Monday 9:00am - 5:00pm
Tuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 1:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 4:30am - 4:00pm
Tuesday 4:30am - 4:00pm
Wednesday 4:30am - 4:00pm
Thursday 4:30am - 4:00pm
Friday 4:30am - 4:00pm
Saturday Closed
Sunday Closed

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

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Business Line
  • Pickup Accountable Mail
  • Pickup Hold Mail

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:

Capitol Station Retail
2 E Mifflin St Ste 103
0.4 mile away

441 N Lake St
0.8 mile away

South Side
820 W Wingra Dr
1.5 miles away

112 Owen Rd
2.2 miles away


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I tried calling the main line 608-251-6980 - it rang for for over 5 mins and no one answered. I was hung up on or it was disconnected 2 more times. I called back and it rang for 3 more minutes and it hung up or was disconnected. Very very poor service. Why do you list a number no one answers.

* is not a part of, or affiliated with, the official United States Postal Service (USPS).