Rapid City, SD ZIP Codes
Rapid City, South Dakota has 4 ZIP codes: 3 for street addresses (, and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Rapid City ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Rapid City ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
57709 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Rapid City city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Rapid City ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 57701 | street delivery Rapid City Sorting and Delivery Center |
| 57702 | street delivery Rapid City Sorting and Delivery Center |
| 57703 | street delivery Rapid City Sorting and Delivery Center |
| 57709 | PO boxes at the Rapid City Sorting and Delivery Center post office Rapid City Sorting and Delivery Center |
Why your mail may say Rapid City when you live outside it
Rapid City ZIP codes also cover Colonial Pine Hills, Rapid Valley and Green Valley, so a letter addressed to Rapid City can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Pennington County property records show which city you are in.
Rapid City ZIP code questions
What is the main ZIP code for Rapid City?
57701, the ZIP code of the main Rapid City Sorting and Delivery Center post office at 500 East Blvd.
Which Rapid City ZIP codes are for PO boxes only?
57709. Mail to it goes to boxes at the post office, not to street addresses.
What county is Rapid City in?
Pennington County.
ZIP codes for towns near Rapid City
More towns near Rapid City: Windsor, Greeley, Loveland, Longmont, Billings, Erie, Brighton, Lafayette, Boulder.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections