Post Office Located at 301 Main Ave, Sinai, South Dakota, SD, 57061-9998
#64 out of 331 Post Offices in the State of South Dakota
Sinai in South Dakota (SD), 57061-9998 is a city with a population of 298 people. Its residents have a median income of $41,250. The local post office is located at 301 Main Ave, Sinai. It handles an estimated 124,710 mails and 7,353 packages per year. It employs an estimated 1 staff.
Sinai Post Office
NOTICE: The Service is an essential goverment service, and will remain open wherever possible
301 Main Ave, Sinai, South Dakota, SD, 57061-9998
Contact Numbers
Phone: 605-826-4306
Fax: 605-357-4906
TTY: 877-889-2457
Toll-Free: 1-800-ASK-USPS
Hours
Retail Hours
MONDAY
10:00:00 - 12:00:00
TUESDAY
10:00:00 - 12:00:00
WEDNESDAY
10:00:00 - 12:00:00
THURSDAY
10:00:00 - 12:00:00
FRIDAY
10:00:00 - 12:00:00
SATURDAY
10:00:00 - 12:00:00
SUNDAY
Closed
Lobby Hours
MONDAY
00:01:00 - 23:59:00
TUESDAY
00:01:00 - 23:59:00
WEDNESDAY
00:01:00 - 23:59:00
THURSDAY
00:01:00 - 23:59:00
FRIDAY
00:01:00 - 23:59:00
SATURDAY
00:01:00 - 23:59:00
SUNDAY
Closed
Last Collection Hours
MONDAY
12:00:00
TUESDAY
12:00:00
WEDNESDAY
12:00:00
THURSDAY
12:00:00
FRIDAY
12:00:00
SATURDAY
12:00:00
SUNDAY
Closed
PO Box Access Hours
MONDAY
00:01:00 - 23:59:00
TUESDAY
00:01:00 - 23:59:00
WEDNESDAY
00:01:00 - 23:59:00
THURSDAY
00:01:00 - 23:59:00
FRIDAY
00:01:00 - 23:59:00
SATURDAY
00:01:00 - 23:59:00
SUNDAY
Closed
Pickup Services Hours
MONDAY
10:00:00 - 12:00:00
TUESDAY
10:00:00 - 12:00:00
WEDNESDAY
10:00:00 - 12:00:00
THURSDAY
10:00:00 - 12:00:00
FRIDAY
10:00:00 - 12:00:00
SATURDAY
10:00:00 - 12:00:00
SUNDAY
Closed
Call Referral Hours
MONDAY
10:00:00 - 12:00:00
TUESDAY
10:00:00 - 12:00:00
WEDNESDAY
10:00:00 - 12:00:00
THURSDAY
10:00:00 - 12:00:00
FRIDAY
10:00:00 - 12:00:00
SATURDAY
10:00:00 - 12:00:00
SUNDAY
Closed
PO Box Delivery Hours
MONDAY
11:00:00
TUESDAY
11:00:00
WEDNESDAY
11:00:00
THURSDAY
11:00:00
FRIDAY
11:00:00
SATURDAY
11:00:00
SUNDAY
Closed
See More Hours
Services at this Location
- Business Reply Mail® Account
- Business Reply Mail New Permit
- Call Referral
- Duck Stamps
- General Delivery
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Money Orders (International)
- Pickup Accountable Mail
- Pickup Hold Mail
- Priority Mail International®
- PO Box Online
Online Services and Resources
- Print a Label with Postage
- Schedule a Pickup
- Buy Stamps
- Forward Mail
- Reserve or Renew a PO Box
- Schedule a Redelivery
- Mailing Requirements
- Media/Press Contacts
- Vandalism/Theft
Nearby Self-Service Kiosks
Nearby Alternate Locations
301 Main Ave, Sinai, South Dakota, SD, 57061-9998 Post Office Estimates*
* These estimates were determined by taking the national statistics for each of these measures as provided by the USPS and then determining the proportion of that total for each city based on that city’s population according to the 2020 US Census.