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City ZIP codes · South Carolina

North Charleston, SC ZIP Codes

5 ZIP codes use the postal name North Charleston, South Carolina (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 2 for PO boxes or a single organization. Median household income runs from $56,600 in 29405 to $72,661 in 29420, 1.3 times as much (Census Bureau, ACS 2020-2024). North Charleston's most populous ZIP code is 29405, with 26,254 people (ACS 2020-2024); 90% of its land is in the city of North Charleston.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are North Charleston's ZIP codes?

29405: $57k median household income29418: $65k median household income29420: $73k median household income29405294182942029405: $57k median household income29418: $65k median household income29420: $73k median household income29405294182942029405: $57k median household income29418: $65k median household income29420: $73k median household income294052941829420
The 3 residential ZIP codes named North Charleston, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are North Charleston's ZIP codes?

The highest median household income is in 29420 ($72,661), the lowest in 29405 ($56,600). Home values run from $267,600 in 29418 to $331,700 in 29420.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 3 residential ZIP codes of North Charleston

Residential ZIP codes with the postal name North Charleston, SC, largest first (ACS 2020-2024); sort by any column
County
29405 Charleston County 26,254 1,788 $57k $308k
29418 Charleston County 26,052 1,969 $65k $268k
29420 Dorchester County 23,959 2,392 $73k $332k

Download the 5 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in North Charleston

2 ZIP codes named North Charleston have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

North Charleston, SC: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
29415Charleston County
29419Charleston County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do North Charleston's ZIP codes reach?

North Charleston's residential ZIP codes lie in 2 counties: Charleston County (2 ZIP codes mainly there), Dorchester County (1 ZIP code mainly there).

Which places do North Charleston's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, North Charleston's residential ZIP codes cover North Charleston itself and 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do North Charleston's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of North Charleston starts with 294.

Three-digit prefixes of North Charleston's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are North Charleston's
PrefixSectional centerHereAll codes
294 Charleston, SC (SCF 294) 5 72

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.