Address: United States Post Office, Massachusetts Avenue, Avon Hill, Cambridge, Middlesex County, Massachusetts, 02144, United States
Operator: United States Postal Service
Website: https://tools.usps.com/locations/details/1378147
Last verified: 10/31/26
The location is currently closed.
Monday
07:30
-
17:30
Tuesday
07:30
-
17:30
Wednesday
07:30
-
17:30
Thursday
07:30
-
17:30
Friday
07:30
-
17:30
Saturday
07:30
-
14:00
Additional Locations
NameDistance
1
Post Office - The UPS Store
2
Post Office - United States Postal Service
3
Post Office - Harvard University Mail Services
4
Post Office - Harvard University Mail Services
5
Post Office - Harvard University Mail Services
6
Post Office - The UPS Store
7
Post Office - Harvard University Mail Services
8
Post Office - United States Postal Service
9
Post Office - FedEx Office
10
Post Office - United States Postal Service
amenity
post_office
brand
United States Post Office
brand:wikidata
Q668687
check_date
2026-10-31
check_date:opening_hours
2026-10-31
name
Porter Square Post Office
opening_hours
Mo-Fr 07:30-17:30; Sa 07:30-14:00
operator
United States Postal Service
operator:short
USPS
operator:type
public
operator:website
https://www.usps.com
operator:wikidata
Q668687
operator:wikipedia
en:United States Postal Service
short_name
USPS
website
https://tools.usps.com/locations/details/1378147