USPS Post Office San Marcos Annex - San Marcos
210 S Stagecoach Trl, 78666 San Marcos
Today
Today's opening hours
This week's opening hours
Call Referral
- Monday 8:00 am to 4:00 pm
- Tuesday 8:00 am to 4:00 pm
- Wednesday 8:00 am to 4:00 pm
- Thursday 8:00 am to 4:00 pm
- Friday 8:00 am to 4:00 pm
- Saturday Closed
- Sunday Closed
Other opening hours
Carrier Call Referral
- Monday to Friday
- 8:00 am to 4:00 pm
- Saturday and Sunday
- Closed
Pickup Services
- Monday to Friday
- 9:00 am to 5:00 pm
- Saturday
- 9:00 am to 12:00 pm
- Sunday
- Closed
Opening hours updated on 11/07/2026
Report a changeThis Post Office at a glance
Opening hours of USPS Post Office San Marcos Annex - San Marcos: Monday to Friday from 8:00 am to 4:00 pm; closed Saturday and Sunday.
- Opening hours a week
- 40h
- Opening hours a week
- Days open, Monday to Friday
- 5/7
- Days open, Monday to Friday
- Earliest opening, Monday to Friday
- 8:00 am
- Earliest opening, Monday to Friday
- Latest closing, Monday to Friday
- 4:00 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: 6
Parking 1
Contacts 4
Last Collection 7
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 San Marcos Annex - San Marcos is in San Marcos, at 210 S Stagecoach Trl. It opens on weekdays only, 5 days a week.
When it is closed, the nearest other office is USPS Post Office San Marcos (2.9 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 San Marcos Annex - San Marcos open on Saturday?
No It is closed on Saturday.
Is USPS Post Office San Marcos Annex - San Marcos open on Sunday?
No It is closed on Sunday.
What time does USPS Post Office San Marcos Annex - San Marcos close?
It closes Monday to Friday at 4:00 pm.
Is there a cash machine?
This Post Office does not list a cash machine.