Mount Washington Post Office

3168 Base Station Rd Unit 1, Mount Washington, NH 03589

Contact Numbers

Phone: 603-846-5570
Fax: 603-644-4174
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours

Monday 10:00am - 4:00pm
Tuesday 10:00am - 4:00pm
Wednesday 10:00am - 4:00pm
Thursday 10:00am - 4:00pm
Friday 10:00am - 4:00pm
Saturday 10:00am - 4:00pm
Sunday Closed

Last Collection Times

Monday 1:15pm
Tuesday 1:15pm
Wednesday 1:15pm
Thursday 1:15pm
Friday 1:15pm
Saturday 1:15pm
Sunday Closed

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

We provide you with the contact details of the Mount Washington Post Office, including its address, phone number and retail hours. This way, you will be able to ask for assistance with USPS shipping and mail services, either by phone or in person.

If you visit the Mount Washington Post Office, please tell us about your experience. It can be helpful to others looking for USPS customer service.

Don't forget to take a look at our FAQ section. It may help you clarify some doubts before contacting your local post office.

Services offered at this location:

  • Duck Stamps
  • General Delivery
  • Money Orders (Inquiry)
  • Pickup Hold Mail

Frequently Ask Questions at Mount Washington Post Office

  • Where can I find my USPS tracking number?

    You can find your tracking number on your sales receipt, self-service kiosk eReceipt, mailing receipt, online label record or below the barcode placed on the mailed item.

  • What if I lose my tracking number?

    Local Post Offices do not have a way to recover a lost tracking number. If the recipient is a current Informed Delivery subscriber, they will be able to see the tracking number on their dashboard.

  • How long will USPS forward mail?

    If your move is temporary, USPS can forward your mail from your old address to a new one for 15 days to one year.

  • How to request USP hold mail?

    Sing in to your USPS account and check if hold mail service is available for your address. If it is, choose the dates for your hold mail request. Remember that it must be for a minimum of 3 days and a maximum of 30 days. If you need USPS mail hold for more than 30 days, you must sign up for forwarding service. For permanent move, you must change your address with the USPS.

  • How to request a USPS address change?

    You can request a USPS change of address online or by filling out the PS Form 3575 acquired from your local Post Office. Please note that when your request is made online there is a $1.05 identity validation fee.

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