Find the last 4 digits (ZIP+4) for an address in 29812

ZIP 29812, Barnwell, SC is filled in. Just type the street address.

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ZIP Code 29812 – Barnwell, SC

Barnwell, South Carolina · Barnwell County · Eastern time

ZIP code29812
CityBarnwell
StateSouth Carolina
CountyBarnwell CountyAllendale County
Population11,132
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area173.48 sq mi
Center (lat, long)33.2144, -81.3834

Area codes in this area

803839

These are the area codes that most often serve ZIP 29812 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

29813 Hilda · 8.9 mi29836 Martin · 11 mi29849 Ulmer · 11.3 mi29826 Elko · 11.9 mi29843 Olar · 12 mi29817 Blackville · 12.5 mi29853 Williston · 13.1 mi29042 Denmark · 15 mi

About ZIP 29812

ZIP code 29812 is assigned to Barnwell, South Carolina. It crosses 2 counties; most of its land is in Barnwell County. Its Census area covers about 173.48 square miles of land. The closest neighboring ZIP is 29813 (Hilda), about 8.9 miles away.

Every address in 29812 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources