USPS Post Office Cpu A 1 Mart - Frederick
649 Himes Ave, 21701 Frederick
Today
Today's opening hours
This week's opening hours
Retail
- Monday 9:00 am to 3:00 pm
- Tuesday 9:00 am to 3:00 pm
- Wednesday 9:00 am to 3:00 pm
- Thursday 9:00 am to 3:00 pm
- Friday 9:00 am to 3:00 pm
- Saturday Closed
- Sunday Closed
Other opening hours
Lobby
- Monday to Friday
- 9:00 am to 6:00 pm
- Saturday
- 9:00 am to 3:00 pm
- Sunday
- Closed
PO Box Access
- Monday to Friday
- 9:00 am to 6:00 pm
- Saturday
- 9:00 am to 3:00 pm
- Sunday
- Closed
Call Referral
- Monday to Friday
- 9:00 am to 6:00 pm
- Saturday
- Closed
- Sunday
- 9:00 am to 3:00 pm
Opening hours updated on 11/07/2026
Report a changeThis Post Office at a glance
Opening hours of USPS Post Office Cpu A 1 Mart - Frederick: Monday to Friday from 9:00 am to 3:00 pm; closed Saturday and Sunday.
- Opening hours a week
- 30h
- Opening hours a week
- Days open, Monday to Friday
- 5/7
- Days open, Monday to Friday
- Earliest opening, Monday to Friday
- 9:00 am
- Earliest opening, Monday to Friday
- Latest closing, Monday to Friday
- 3:00 pm
- Latest closing, Monday to Friday
- Open all day
- No break
- Open all day
Special days ahead
Public holidays, closures and special opening hours over the next two months.
- Wednesday, November 11 Veterans Day Opening hours not confirmed
- Thursday, November 26 Thanksgiving Day Opening hours not confirmed
- Friday, December 25 Christmas Opening hours not confirmed
- Friday, January 1 New Year’s Day Opening hours not confirmed
Services
Services Available: 1
Parking 1
Contacts 4
Last Collection 6
Sending from this Post Office
- First-Class Mail from From $0.65 up to Postcards
- Shipping Services from From $7.90 up to USPS Ground Advantage (2–5 days)
Indicative rates subject to change by the postal operator.
- Open
- Closing soon
- Closed
- Opening hours not confirmed
- This address
Practical information
Good to know
USPS Post Office Cpu A 1 Mart - Frederick is in Frederick, at 649 Himes Ave. It opens on weekdays only, 5 days a week.
When it is closed, the nearest other offices are USPS Post Office College Estates - Frederick (2.1 mi) and USPS Post Office Frederick (2.3 mi).
The next public holiday is Veterans Day, Wednesday, November 11. Opening hours often change that day: check them before you go.
Frequently asked questions
Is USPS Post Office Cpu A 1 Mart - Frederick open on Saturday?
No It is closed on Saturday.
Is USPS Post Office Cpu A 1 Mart - Frederick open on Sunday?
No It is closed on Sunday.
What time does USPS Post Office Cpu A 1 Mart - Frederick close?
It closes Monday to Friday at 3:00 pm.
Is there a cash machine?
This Post Office does not list a cash machine.