USPS Contract Postal Unit Contract Branch - Windsor Mill MD

Address:

7500 Security Blvd, Windsor Mill MD 21244 (Directions from | to)

Website:

www.usps.com

Categories:

Mail & Shipping

Opening Hours

Monday: 8:45 AM-3:00 PM
Tuesday: 8:45 AM-3:00 PM
Wednesday: 8:45 AM-3:00 PM
Thursday: 8:45 AM-3:00 PM
Friday: 8:45 AM-3:00 PM
Saturday: Closed
Sunday: Closed

Additional Phones

Toll-Free: 1-800-ASK-USPS

Services

Business Reply Mail Account Balance, Business Reply Mail New Permit, Call Referral, Money Orders (Domestic), Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International

Call Referral Hours

Mon-Fri: 08:45-15:00
Sat-Sun: Closed

Last Collection Hours

Mon: 3:00 PM
Tue: 3:00 PM
Wed: 3:00 PM
Thu: 3:00 PM
Fri: 3:00 PM
Sat: -
Sun: -

Lobby Hours

Mon-Fri: 08:45-15:00
Sat-Sun: Closed

Pickup Accountable Mail Hours

Mon-Fri: 08:45-15:00
Sat-Sun: Closed

Pickup Hold Mail Hours

Mon-Fri: 08:45-15:00
Sat-Sun: Closed

Pickup Notice Left Mail Hours

Mon-Fri: 08:45-15:00
Sat-Sun: Closed

PO Box Access Hours

Mon-Fri: 08:45-15:00
Sat-Sun: Closed

Hours

Mon-Fri: 08:45-15:00
Sat-Sun: Closed

Other mail & shipping locations nearby

Last updated:

30 Jun 2025
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