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United States Postal Service

3.1
(110 reviews)

Business Details

510 Daniel Webster Hwy, Merrimack, NH
03054, 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 510 Daniel Webster Hwy 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
510 Daniel Webster Hwy, Merrimack, NH
03054, United States

Hours

Monday8:00 AM - 5:00 PM
Tuesday8:00 AM - 5:00 PM
Wednesday8:00 AM - 5:00 PM
Thursday8:00 AM - 5:00 PM
Friday8:00 AM - 5:00 PM
Saturday8:00 AM - 12:00 PM
SundayClosed

Products & Services

1 list · 5 items

USPS Services

5 items

Buy postage
Get information about USPS® products and services
Weigh and classify postage of envelopes and parcels
Change of Address (COA) service
Buy or cash Postal money orders

Reviews

3.1
110 reviews
5 stars
50
4 stars
7
3 stars
2
2 stars
1
1 star
50
  • KK
    Kimberly
    2 days ago
    4.0
    Okay
  • DC
    Domenico Schiano di Cola
    Sep 22, 2026
    1.0
    Incompetent workers. First they tell me I need to purchase a specific packing for my item, then they say we can't use that packing or else they'll get written up, and refuse to reimburse me because the packaging has been written on.
  • KK
    Kristin
    Aug 14, 2026
    5.0
    The Merrimack, NH USPS is amazing! Very patient and knowledgeable. I'm new to shipping so many items and all the employees I've come across the past few months have been very pleasant and helpful as I learn.
  • IT
    Ian Tollefsen
    Aug 8, 2026
    1.0
    They lost a $35,000 check of mine. I called multiple times and I got the old, “it’s not my job”. I happened to see the mail delivery woman one afternoon last week at 711 and noted that she 1. Pulled a second phone out of her bra while sitting at the wheel in the parking lot and 2. She went into the store and left her window down, so I’m going to go out on a limb and say, she delivered it to the wrong house. Then i received the dismissive follow up from the Merrimack “postmaster” basically saying how it’s out of his hands, not his job, it’s not lost, basically, trying to put it on me because he and his employees are terrible at their jobs. It was crystal clear that the postmaster’s primary objective was to avoid lifting a finger to help determine what happened. Mission accomplished.
  • LM
    Laura Millar
    Feb 26, 2021
    5.0
    Professionally run and polite staff!

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

This information is certified by United States Postal Service and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified October 11, 2026Yext Knowledge Graph
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