Where is the 843 area code?

Area code 843 covers Charleston in South Carolina, on Eastern Time.

What time zone is area code 843 in?

Numbers in the 843 area code sit in Eastern Time.

Is 843 a toll-free or scam area code?

No. 843 is a geographic North American Numbering Plan area code assigned to South Carolina. Toll-free numbers use 800, 833, 844, 855, 866, 877 and 888. A call from 843 can still be spoofed, so treat unexpected calls with the usual caution.

Area code lookup

843 area code

Where the 843 area code is, which cities and counties it serves, the local time zone and the overlay codes dialled alongside it.

State: SC
Cities covered: 1
Counties: 1
Time zone: Eastern Time

Quick answer

Area code 843 serves Charleston in South Carolina. It sits in Eastern Time and covers 1 county and about 7 ZIP codes across the metros we track. Numbers there are also dialled as 854.

Cities in the 843 area code

Each city links to its full local profile: sales tax, housing, income and ZIP codes.

City	County	Time zone	ZIP codes
Charleston, SC	Charleston County	EST/EDT	7

Related area codes

Codes that share or border the same calling area.

843 area code FAQ

The questions people ask about this code.

Where is area code 843?

843 is a geographic area code in South Carolina, covering Charleston.

What time is it in the 843 area code?

843 observes Eastern Time (EST/EDT).

Is 843 a scam area code?

No — it is a normal geographic code, not a toll-free or premium-rate prefix. Caller ID can be spoofed on any code, so verify unexpected callers before sharing information.

Sources & transparency

North American Numbering Plan Administrator (NANPA) area code assignments — area code to geography mapping and overlay relationships
US Census Bureau, American Community Survey 2019-2023 5-year estimates — city, county and ZIP code geography

Last reviewed August 2026. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.