All of the post offices in the city of Somerville, MA

This page details the 4 post offices in Somerville, MA helping you identify the ones that open the earliest or close the latest in your vicinity. The hours mentioned represent the retail hours of operation, a period when staff are present to assist with mailing services and other customer needs. Additionally, many post offices offer extended lobby hours, during which you can access your PO box, leave packages for shipment, or purchase postage via the self-service Automated Postal Center (APC) machines. The listings are organized first by city in alphabetical order, followed by the post office name, and include Street View images of the post offices where possible. Please contact us if you find an error, so that we can correct it.

Street View Image of Porter Square Carrier Annex Post Office in Somerville, MA

Porter Square Carrier Annex Post Office does not have retail services

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
30 Cobble Hill Rd Somerville, MA 02143

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Open hours
Day Open Close

Phone: 617-492-8778

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Street View Image of Union Square Post Office in Somerville, MA

Union Square Post Office is currently closed

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
18 Bow St Somerville, MA 02143

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Open hours
Day Open Close
Monday 8:00 AM 5:00 PM
Tuesday 8:00 AM 5:00 PM
Wednesday 8:00 AM 5:00 PM
Thursday 8:00 AM 5:00 PM
Friday 8:00 AM 5:00 PM
Saturday 8:00 AM 2:00 PM
Sunday Closed
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Street View Image of West Somerville Post Office in Somerville, MA

West Somerville Post Office is currently closed

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
58 Day St Ste 100 Somerville, MA 02144

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Open hours
Day Open Close
Monday 8:00 AM 5:00 PM
Tuesday 8:00 AM 5:00 PM
Wednesday 8:00 AM 5:00 PM
Thursday 8:00 AM 5:00 PM
Friday 8:00 AM 5:00 PM
Saturday 8:00 AM 1:00 PM
Sunday Closed

Phone: 617-666-2255

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Street View Image of Winter Hill Post Office in Somerville, MA

Winter Hill Post Office is currently closed

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
320 Broadway Somerville, MA 02145

Get directions

Open hours
Day Open Close
Monday 8:00 AM 5:00 PM
Tuesday 8:00 AM 5:00 PM
Wednesday 8:00 AM 5:00 PM
Thursday 8:00 AM 5:00 PM
Friday 8:00 AM 5:00 PM
Saturday 8:00 AM 1:00 PM
Sunday Closed

Phone: 617-666-5225

  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value