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County ZIP codes · South Carolina · FIPS 45019

Charleston County, SC ZIP Codes

Charleston County, South Carolina has 39 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 29 residential and 10 for PO boxes or a single organization. 26 of the residential ones lie mainly in Charleston County and 3 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $49,815 in 29406 (Charleston) to $192,813 in 29482 (Sullivans Island) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Charleston County?

29401 · Charleston: $100k29403 · Charleston: $67k29404 · Charleston Afb: $55k29405 · North Charleston: $57k29406 · Charleston: $50k29407 · Charleston: $85k29409 · Charleston: –29412 · Charleston: $102k29414 · Charleston: $100k29418 · North Charleston: $65k29420 · North Charleston: $73k29424 · Charleston: –29425 · Charleston: –29426 · Adams Run: $64k29429 · Awendaw: $112k29438 · Edisto Island: $87k29439 · Folly Beach: $137k29449 · Hollywood: $57k29450 · Huger: $57k29451 · Isle Of Palms: $157k29455 · Johns Island: $121k29456 · Ladson: $78k29458 · McClellanville: $86k29464 · Mount Pleasant: $112k29466 · Mount Pleasant: $133k29470 · Ravenel: $86k29482 · Sullivans Island: $193k29485 · Summerville: $83k29487 · Wadmalaw Island: $106k2945029429294582945529449294382942629470294872941429485294122940629466294642940529418294512945629407294202943929401 · Charleston: $100k29403 · Charleston: $67k29404 · Charleston Afb: $55k29405 · North Charleston: $57k29406 · Charleston: $50k29407 · Charleston: $85k29409 · Charleston: –29412 · Charleston: $102k29414 · Charleston: $100k29418 · North Charleston: $65k29420 · North Charleston: $73k29424 · Charleston: –29425 · Charleston: –29426 · Adams Run: $64k29429 · Awendaw: $112k29438 · Edisto Island: $87k29439 · Folly Beach: $137k29449 · Hollywood: $57k29450 · Huger: $57k29451 · Isle Of Palms: $157k29455 · Johns Island: $121k29456 · Ladson: $78k29458 · McClellanville: $86k29464 · Mount Pleasant: $112k29466 · Mount Pleasant: $133k29470 · Ravenel: $86k29482 · Sullivans Island: $193k29485 · Summerville: $83k29487 · Wadmalaw Island: $106k29450294292945829455294492943829426294702948729414294852941229406294662946429405294182945129456294072943929401 · Charleston: $100k29403 · Charleston: $67k29404 · Charleston Afb: $55k29405 · North Charleston: $57k29406 · Charleston: $50k29407 · Charleston: $85k29409 · Charleston: –29412 · Charleston: $102k29414 · Charleston: $100k29418 · North Charleston: $65k29420 · North Charleston: $73k29426 · Adams Run: $64k29429 · Awendaw: $112k29438 · Edisto Island: $87k29439 · Folly Beach: $137k29449 · Hollywood: $57k29450 · Huger: $57k29451 · Isle Of Palms: $157k29455 · Johns Island: $121k29456 · Ladson: $78k29458 · McClellanville: $86k29464 · Mount Pleasant: $112k29466 · Mount Pleasant: $133k29470 · Ravenel: $86k29482 · Sullivans Island: $193k29485 · Summerville: $83k29487 · Wadmalaw Island: $106k29450294292945829455294492943829426294872941429485
The residential ZIP codes of Charleston County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$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 its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $66,944 and $105,592.

They carry 18 postal town names.

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

All 29 residential ZIP codes in Charleston County

26 ZIP codes lie mainly in Charleston County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Charleston County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
29464 Mount Pleasant 53,045 1,760 $112k $755k 100%
29466 Mount Pleasant 44,942 1,540 $133k $736k 100%
29414 Charleston 44,727 913 $100k $417k 82%
29456 Ladson 41,214 2,281 $78k $270k 46%
29412 Charleston 39,256 1,001 $102k $505k 100%
29407 Charleston 36,706 2,388 $85k $452k 100%
29406 Charleston 32,001 2,091 $50k $229k 97%
29455 Johns Island 27,576 275 $121k $591k 100%
29405 North Charleston 26,254 1,788 $57k $308k 100%
29418 North Charleston 26,052 1,969 $65k $268k 77%
29403 Charleston 22,533 4,174 $67k $674k 100%
29401 Charleston 9,339 6,088 $100k $1.16M 100%
29449 Hollywood 8,024 106 $57k $410k 100%
29470 Ravenel 5,639 78 $86k $345k 66%
29429 Awendaw 4,479 52 $112k $538k 100%
29451 Isle Of Palms 4,362 478 $157k $1.58M 100%
29438 Edisto Island 2,826 38 $87k $642k 91%
29487 Wadmalaw Island 2,703 65 $106k $488k 100%
29458 McClellanville 2,505 22 $86k $371k 100%
29404 Charleston Afb 2,334 462 $55k – 100%
29482 Sullivans Island 2,087 835 $193k $2M+ 100%
29409 Charleston 2,056 14,082 – – 100%
29426 Adams Run 1,697 22 $64k $201k 83%
29424 Charleston 1,243 32,711 – – 100%
29439 Folly Beach 1,125 387 $137k $1.04M 100%
29425 Charleston no residents 0 – – 100%

Partly in Charleston County

Residential ZIP codes mainly in another county that reach at least 1% into Charleston County, by their share here
In this county
29420 North Charleston 23,959 2,392 $73k $332k 40%
29485 Summerville 58,507 1,205 $83k $342k 6%
29450 Huger 3,309 20 $57k $287k 6%

Download the 39 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

10 ZIP codes of Charleston County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Charleston County and in the neighboring counties
ZIPIn CharlestonElsewhere
294856%Dorchester County 94%
2941482%Dorchester County 18%
2945646%Berkeley County 29%; Dorchester County 25%
2940697%Berkeley County 3%
2941877%Dorchester County 23%
2942040%Dorchester County 60%
2947066%Dorchester County 34%
294506%Berkeley County 94%
2943891%Colleton County 9%
2942683%Dorchester County 17%

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

PO Box and single-organization ZIP codes

ZIP codes in Charleston County without a residential area (GeoNames postal codes)
ZIPPostal name
29402Charleston
29413Charleston
29415North Charleston
29416Charleston
29417Charleston
29419North Charleston
29422Charleston
29423Charleston
29457Johns Island
29465Mount Pleasant

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Charleston County'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 Charleston County starts with 294.

Three-digit prefixes of Charleston County'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 Charleston County's
PrefixSectional centerHereAll codes
294 Charleston, SC (SCF 294) 39 72

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