Key Largo Post Office

100100 Overseas Hwy, Key Largo, FL 33037

Contact Numbers:

Phone: 305-451-3155
Fax: 305-453-0446
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Monday-Friday 8:30am - 4:30pm
Saturday 10:00am - 1:00pm
Sunday Closed

Pickup Services Hours

Monday-Friday 6:00am - 4:30pm
Saturday 6:00am - 1:00pm
Sunday Closed

Lobby Hours

Monday-Sunday 12:01am - 11:59pm

PO Box Access Hours

Monday-Sunday 12:01am - 11:59pm

PO Box Delivery Time

Monday-Saturday 11:00am
Sunday Closed

Last Collection Times

Monday-Friday 4:30pm
Saturday 1:00pm
Sunday Closed

Carrier Facility Hours

Monday-Friday 8:00am - 4:30pm
Saturday-Sunday Closed

Global Express Guaranteed® Hours

Monday-Friday 8:30am - 4:30pm
Saturday 10:00am - 1:00pm
Sunday Closed

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

  • Burial Flags
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • General Delivery
  • Global Express Guaranteed®
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Priority Mail International®

Visit our Links Page for Change of Address, Hold Mail/Stop Delivery, PO Boxes™ rentals and fees, Rates on Postage Stamps and Freight/Shipping, Holidays, Bulk Mail, Money Orders, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

91220 Overseas Hwy
5.3 miles away

82801 Overseas Hwy
10.2 miles away

Florida City
1000 W Palm Dr
14.2 miles away

739 Washington Ave
15.2 miles away


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