Pick 843 if the number should read as Charleston.
843 principally serves Charleston, Hilton Head Island, Myrtle Beach and Florence, as the numbering administrator puts it.
The area codes for Charleston are 843 and 854.
Area codes in Charleston
Get a phone number with the right area code for Charleston.
Charleston is in 843, split from 803 in 1998, and in 854, laid over it in 2015. Both codes cover the coast, from Myrtle Beach to Hilton Head Island.
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Pick 843 for Charleston, or 854 if you want the code laid over it.
Pick 854 if the number should look newer.
854 entered service on October 19, 2015, a month after ten-digit dialing became required.
Pick 803 if the number is for Columbia.
Columbia kept 803 when the coast took 843 on March 22, 1998.
People filed 149 FCC complaints about unwanted calls from Charleston area codes in 12 months.
From October 2025 to September 2026, 149 unwanted-call complaints filed with the FCC gave a caller ID number that started with 843 and 854. 843 was named most, on 129 of them (87%).
- 149unwanted-call complaints named a Charleston code
- 843was named on the most of them, 129
- 87%of the Charleston complaints named 843
Source: Federal Communications Commission, CGB - Consumer Complaints Data (dataset 3xyp-aqkj), issue "Unwanted Calls", read on November 4, 2026. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
This is how you get a Charleston number.
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Type the code you picked.
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Hand the number out.
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People ask these questions about Charleston area codes.
More in the full FAQ.
Yes. Mount Pleasant and Summerville use 843 and 854.
The coastal counties of South Carolina, with Florence added to the coast.
A local call in Charleston is dialed with ten digits, whichever of its codes the number starts with. The area code is part of every number you give out.
From October 2025 to September 2026, people filed 149 FCC complaints about unwanted calls from numbers that start with a Charleston code: 843 (129) and 854 (20). A complaint is one person's report. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
Yes. You type the area code you want when you create a number, and you do not need to live in Charleston. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.
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Codes around Charleston
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Every fact on this page comes from public numbering records.
The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database, and the complaints are the FCC's own.
Put a Charleston code on a number you can burn.
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