Today
Today's opening hours
This week's opening hours
- Monday 9:00 to 12:30 13:30 to 17:00
- Tuesday 9:00 to 12:30 13:30 to 17:00
- Wednesday 9:00 to 12:30 13:30 to 17:00
- Thursday 9:15 to 12:30 13:30 to 18:00
- Friday 9:00 to 12:30 13:30 to 17:00
- Saturday Closed
- Sunday Closed
Opening hours updated on 2026-11-02
Report a changeThis Post Office at a glance
Opening hours of Post Office Williamstown: Monday to Wednesday and Friday from 9:00 to 12:30 and from 13:30 to 17:00, Thursday from 9:15 to 12:30 and from 13:30 to 18:00; closed Saturday and Sunday.
- Opening hours a week
- 35h 45m
- Opening hours a week
- Days open, Monday to Friday
- 5/7
- Days open, Monday to Friday
- Earliest opening, Monday to Wednesday and Friday
- 9:00
- Earliest opening, Monday to Wednesday and Friday
- Latest closing, Thursday
- 18:00
- Latest closing, Thursday
- Break, Monday to Friday
- 12:30 to 13:30
- Break, Monday to Friday
Special days ahead
Public holidays, closures and special opening hours over the next two months.
- Wednesday, November 11 Remembrance Day Opening hours not confirmed
- Friday, December 25 Christmas Day Opening hours not confirmed
Sending from this Post Office
- Prices for Standard size mail to Canada from 1.44 $ (single stamp) up to Up to 30 g
- Prices for Non-standard and oversize mail to Canada from 2.61 $ up to Up to 100 g
- Prices for Standard size mail to the U.S. from 1.75 $ up to Up to 30 g
- Prices for Non-standard and oversize mail to the U.S. from 4.29 $ up to Up to 100 g
- Prices for Standard size mail International from 3.65 $ up to Up to 30 g
- Prices for Non-standard and oversize mail International from 8.60 $ up to Up to 100 g
Indicative rates subject to change by the postal operator.
- Open
- Closing soon
- Closed
- Opening hours not confirmed
- This address
Practical information
- Type
- Post OfficeA Canada Post Post Office, in a Canada Post outlet or a local business: stamps, sending and collecting letters and parcels.
- Address
- 19688 Warren St, K0C 2J0 Williamstown
- Province
- Ontario
- Official website
- canadapost-postescanada.ca
Frequently asked questions
Is Post Office Williamstown open on Saturday?
No It is closed on Saturday.
Is Post Office Williamstown open on Sunday?
No It is closed on Sunday.
What time does Post Office Williamstown close?
It closes Monday to Wednesday and Friday at 17:00 and Thursday at 18:00.