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United States Postal Service

3.2
(25 reviews)

Business Details

788 Main St, Dennis, MA
02638, United States
(800) 275-8777
http://usps.com/postoffice

About

Post OfficeCargo ServiceLogistics ServiceShipping ServicePackaging Supply StoreMoney Order ServiceUnited States Postal Service
Visit your local Post Office™ at 788 Main St to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office™ boxes, passports, gift cards, and more

Location

United States Postal Service
788 Main St, Dennis, MA
02638, United States

Hours

Monday9:00 AM - 4:00 PM
Tuesday9:00 AM - 4:00 PM
Wednesday9:00 AM - 4:00 PM
Thursday9:00 AM - 4:00 PM
Friday9:00 AM - 4:00 PM
Saturday10:00 AM - 12:00 PM
SundayClosed

Products & Services

1 list · 27 items

Explore offerings from United States Postal Service on 788 Main St in Dennis, with popular services available at this location.

USPS Services

27 items

Services

BIOIPPB
BRMACCTBAL
BRMNEW
BURIALFLAGS
BUSINESS
CALLREFERRAL
CARRIER
CARRIERCALLREFERRAL
DELIVERYUNIT
DUCKSTAMPS
FACTERMINALTYPERSS
GENERALDELIVERY
GREETINGCARDS
LASTCOLLECTION
LBRORETAIL
LOBBY
MONEYORDERSDOM
MONEYORDERSINQ
PICKUPACCOUNTABLE
PICKUPHOLDMAIL
PICKUPNOTICELEFT
PMI
POBACCESS
POBDELIVERY
POBOXONLINE
RTLMKTGTERMINALTYPERSS
WINDOWSSERVICE

Reviews

3.2
25 reviews
5 stars
11
4 stars
1
3 stars
3
2 stars
1
1 star
9
  • AA
    Alan
    Jul 3, 2026
    1.0
    This place is the worst post office and this is saying a lot as the entire organization is a disgrace. Total distain for the public in general and rude incompetent staff. Front desk and postmaster are a joke. In any other industry these fools would have washed out years ago. Go ahead and use any other service if possible. Your package has a 10-20% chance of being received on either end of it goes through this post.
  • SS
    Samantha Sanford
    Jun 8, 2026
    1.0
    I dropped off packages in the back because I have many and they lost multiple packages!!! I lost hundreds of dollars on each package and so did my customers. Plus one of my customers who loves on the other side of the country is getting a message saying their package was picked up in Dennis ma?!?! Never ever again will I use thos awful post office. I understand mistakes but multiple in the same place at the same time for the same person?!?! Outrageous. Who's going to pay for these damages because it doesn't even show that it made it to the post office because thry never scanned it in!!!!! Im so upset and disappointed with this post office and usps in general. Usps lost 2 of the most expensive items ive ever purchased 2 weeks ago too?! Like why and how does this company still exhist?!
  • PG
    Patricia Garcia
    May 17, 2026
    3.0
    The food is consistently what you'd expect from a McDonald's, and the service is usually fast and friendly. However, I have encountered some issues with the cleanliness during my visits, which could definitely use more attention. Overall, it's a decent spot for a quick bite.
  • KT
    Kevin Tripp
    Apr 8, 2026
    5.0
    The Dennis Post office from Matthew on Down had a Very Friendly , Courteous Helpful , Knowledgeable Staff😉It's a Pleasure Dealing with these Very Friendly People that make You feel like Family. 😉👍🕊️🇺🇲Keep up the Great Job Everyone There, Thank You, Kevin Tripp..👍😉🕊️🇺🇲🇺🇲
  • EE
    En Egberon
    Feb 26, 2026
    5.0
    I've had nothing but great experiences at the Dennis Post Office. As a local, I'm here pretty often shipping packages and picking up mail, and the staff is always welcoming and helpful. They move the line quickly, even during the summer rush when the Cape is packed with tourists. The postmaster and clerks actually take the time to answer questions and make sure you're getting the best shipping rate. It's a small, no-nonsense location that gets the job done right. If you're in Dennis or visiting Cape Cod, this is the spot to handle all your shipping needs. Thanks for keeping it running smoothly!

Frequently Asked Questions About United States Postal Service

Can I get a passport application at this Post Office?

Yes, Thousands of Post Offices™ accept first-time passport applications for the U.S. Department of State. Most of those locations can also take your passport photo. Please complete and print your passport application form before you apply.

Is an appointment needed for passport services?

Most Post Offices that offer passport services have set hours, and you'll need to schedule an appointment using our online scheduler. We also offer limited Passport walk-in hours at select locations.

Brand Certified Facts from United States Postal Service

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Certified August 16, 2026Yext Knowledge Graph
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