Merrimack Post Office Hours

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Retail Hours

Contact Numbers:

Phone: 603-424-9405
Monday-Friday 8:00am - 5:00pm
Saturday 8:00am - 12:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 8:30am - 3:00pm
Saturday-Sunday Closed

Monday-Friday 7:00am - 5:30pm
Saturday 7:00am - 3:30pm
Sunday Closed

Lobby Hours

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

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Cindy G Heidbreder (Postmaster)
510 Daniel Webster Hwy
Merrimack, NH 03054

The Merrimack Post Office is located in the state of New Hampshire within Hillsborough County. This location serves 25,477 Merrimack residents with a median income of $90,014. It's estimated that approximately 40,664 packages pass through this post office each year.

Merrimack Post Office Location

Merrimack New Hampshire Local Links