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City ZIP codes · South Carolina

Mount Pleasant, SC ZIP Codes

3 ZIP codes use the postal name Mount Pleasant, South Carolina (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $111,907 in 29464 to $133,357 in 29466 (Census Bureau, ACS 2020-2024). Mount Pleasant's most populous ZIP code is 29464, with 53,045 people (ACS 2020-2024); 74% of its land is in the city of Mount Pleasant.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Mount Pleasant's ZIP codes?

29464: $112k median household income29466: $133k median household income294662946429464: $112k median household income29466: $133k median household income294662946429464: $112k median household income29466: $133k median household income2946629464
The 2 residential ZIP codes named Mount Pleasant, 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 Mount Pleasant's ZIP codes?

The highest median household income is in 29466 ($133,357), the lowest in 29464 ($111,907). Home values run from $736,400 in 29466 to $755,100 in 29464.

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

All 2 residential ZIP codes of Mount Pleasant

Residential ZIP codes with the postal name Mount Pleasant, SC, largest first (ACS 2020-2024); sort by any column
County
29464 Charleston County 53,045 1,760 $112k $755k
29466 Charleston County 44,942 1,540 $133k $736k

Download the 3 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 Mount Pleasant

1 ZIP code named Mount Pleasant has 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.

Mount Pleasant, 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
29465Charleston County

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

Which counties do Mount Pleasant's ZIP codes reach?

Mount Pleasant's residential ZIP codes lie in Charleston County.

Which first three digits do Mount Pleasant'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 Mount Pleasant starts with 294.

Three-digit prefixes of Mount Pleasant'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 Mount Pleasant's
PrefixSectional centerHereAll codes
294 Charleston, SC (SCF 294) 3 72

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