Find the last 4 digits (ZIP+4) for an address in 29457

ZIP 29457, Johns Island, SC is filled in. Just type the street address.

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ZIP Code 29457 – Johns Island, SC

Johns Island, South Carolina · Charleston County · Eastern time

ZIP code29457
CityJohns Island
StateSouth Carolina
CountyCharleston County
PopulationNot published (no Census ZIP area)
Time zoneEastern · local time
ZIP typePO box or unique ZIP (no Census area)
Center (lat, long)32.7924, -80.1081

Area codes in this area

843854

These are the area codes that most often serve ZIP 29457 (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

29414 Charleston · 3.5 mi29470 Ravenel · 6.1 mi29407 Charleston · 6.4 mi29455 Johns Island · 7.5 mi29404 Charleston Afb · 8 mi29418 North Charleston · 8.1 mi29405 North Charleston · 8.5 mi29409 Charleston · 8.6 mi

About ZIP 29457

ZIP code 29457 is assigned to Johns Island, South Carolina. It lies in Charleston County. It is a PO-box-only or single-address ZIP, so the Census Bureau does not publish an area for it; the location shown is approximate. The closest neighboring ZIP is 29414 (Charleston), about 3.5 miles away.

Every address in 29457 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