United States Postal Service
Main:
(800) 275-8777
Alt: (605) 754-6456
Fax: (605) 357-4906
Alt: (605) 754-6456
Fax: (605) 357-4906
408 S A Ave, New Underwood, South Dakota, 57761
Business hours
| Monday | 7:30am to 11:30am , 12:00pm to 2:00pm |
| Tuesday | 7:30am to 11:30am , 12:00pm to 2:00pm |
| Wednesday | 7:30am to 11:30am , 12:00pm to 2:00pm |
| Thursday | 7:30am to 11:30am , 12:00pm to 2:00pm |
| Friday | 7:30am to 11:30am , 12:00pm to 2:00pm |
| Saturday | 7:30am to 9:00am |
| Sunday | - |
About us
Visit your local Post Office™ at 408 S A Ave to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office™ boxes, passports, gift cards, and more
USPS is hiring! See openings for top jobs.