Dennis Post Office

788 Main St, Dennis, MA 02638

Contact Numbers

Phone: 508-385-6834
Fax: 508-385-7293
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 6:00am - 4:30pm
Tuesday 6:00am - 4:30pm
Wednesday 6:00am - 4:30pm
Thursday 6:00am - 4:30pm
Friday 6:00am - 4:30pm
Saturday 6:00am - 12:30pm
Sunday Closed

Last Collection Times

Monday 4:15pm
Tuesday 4:15pm
Wednesday 4:15pm
Thursday 4:15pm
Friday 4:15pm
Saturday 12:00pm
Sunday Closed

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

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking

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:

East Dennis
1600 Main St
1.3 miles away

South Dennis
9 Market Pl
2.3 miles away

Yarmouth Port
231 Route 6a
2.5 miles away

South Yarmouth
1057 Route 28
3.2 miles away

Reviews

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Missing a mailing . Sent on Aug 2 and still haven’t received it . Is there a form to report lost mail?
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It seems that more help is needed at the Dennis 02638 Post Office. Today 8/27/2016...mail that has been held since JUNE,INCLUDING IMPORTANT BILLS,I was finally able to retrieve. I do have my mail forwarded from Worcester MA01602.I have done this for many years with NO problems. I asked daily for the mail delivery--FINALLY the woman working at the POST OFFICE indicated that I had filed the form incorrectly--I immediately corrected the error (I had my temporary address with BOTH my street number and P.O.Box #) Still NO mail or only mail that was addressed directly to my P.O.Box #. Of course this caused a lot of difficulty for me--paying late fees,not receiving material(subscription magazines etc) I have received delivery notices from the USPS telling me that packages had been delivered and the time delivered at the Post Office only to be told that they were not there. Today when I inquired again. the very same postal worker remarked "Oh there is a pile of stuff back here",yes the stuff was stuff held since JUNE!! Her response was " well I am all alone here " WHAT???!!! What happened to the famous logo that we all believed"The mail goes through wind,rain etc." What has happened to the good ol American way of life??
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