Union Square Post Office

Offices closed June 19th in observance of Juneteenth Day

18 Bow St, Somerville, MA 02143

Contact Numbers

Phone: 617-776-0175
Fax: 617-625-6622
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 8:00am - 5:00pm
Tuesday 8:00am - 5:00pm
Wednesday 8:00am - 5:00pm
Thursday 8:00am - 5:00pm
Friday 8:00am - 5:00pm
Saturday 8:00am - 2:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:30pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 8:00am - 5:00pm
Tuesday 8:00am - 5:00pm
Wednesday 8:00am - 5:00pm
Thursday 8:00am - 5:00pm
Friday 8:00am - 5:00pm
Saturday Closed
Sunday Closed

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

  • Bulk Mail Acceptance
  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Inman Square
1311 Cambridge St
0.3 mile away

Winter Hill
320 Broadway
0.5 mile away

Porter Sq Carrier Annex New
30 Cobble Hill Rd
0.5 mile away

Cambridge
770 Massachusetts Ave
0.7 mile away

Reviews

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This post office doesn't open until 10, and it's not open on Saturday.
4
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I just wish to say my postal carrier Chriysie is great every time I happen to see her she has a smile on her face & a Friendly word. She always raises my mood. She always gives great service
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