Summerville, SC ZIP Codes
Summerville, South Carolina has 4 ZIP codes: 3 for street addresses (, and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Summerville 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?
Summerville ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
29484 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Summerville town limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Summerville ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 29483 | street delivery Summerville |
| 29484 | PO boxes at the Summerville post office Summerville |
| 29485 | street delivery Oakbrook |
| 29486 | street delivery Summerville |
ZIP codes from nearby towns that reach into Summerville
- 29456, mailing town Ladson, covers 5 percent of Summerville
Why your mail may say Summerville when you live outside it
Summerville ZIP codes also cover Sangaree and Lincolnville, so a letter addressed to Summerville can go to a home outside the town limits.
The reverse happens too: parts of Summerville use 29456, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Dorchester County property records show which city you are in.
Summerville ZIP code questions
What is the main ZIP code for Summerville?
29483, the ZIP code of the main Summerville post office at 301 N Gum St.
Which Summerville ZIP codes are for PO boxes only?
29484. Mail to it goes to boxes at the post office, not to street addresses.
What county is Summerville in?
Dorchester County, with parts in Berkeley County and Charleston County.
ZIP codes for towns near Summerville
More towns near Summerville: Bluffton, Columbia, Florence, Myrtle Beach, Savannah, Aiken, Statesboro, Augusta, Martinez.
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