843 Area Code — Charleston, SC
Area code 843 serves Charleston and 3 other cities in South Carolina. Local time follows America/New_York. It overlays with 854, 821, so 10-digit dialling is required.
- State
- South Carolina
- Primary city
- Charleston
- Timezone
- America/New_York
- In service since
- 1998
- Type
- Geographic
Cities Served by 843
The 843 area code covers 4 cities and communities in South Carolina.
- Charleston
- Mount Pleasant
- Myrtle Beach
- Florence
About Area Code 843
Area code 843 is a North American Numbering Plan (NANP) area code that has been in service since 1998. It is administered by NANPA on behalf of the FCC and serves the South Carolina region anchored on Charleston.
843 now shares its territory with overlay codes (854, 821). 10-digit dialling is required for local calls within this region because the same 7-digit number can be assigned under either code.
Mobile numbers in 843 are portable: a person who moved away from Charleston may still carry a 843 mobile number on their device. If you receive an unexpected call from a 843 number, run it through the reverse lookup tool above for the most accurate, free identification.
If you live or do business in South Carolina, you may also interact with neighbouring or overlay codes (854, 821). See the related codes section below to explore the rest of South Carolina.
Other South Carolina Area Codes
Continue exploring the South Carolina numbering plan.
843 Area Code FAQ
Where is area code 843?
Area code 843 is located in South Carolina, primarily serving Charleston and surrounding cities including Mount Pleasant, Myrtle Beach, Florence. The region operates on ET (America/New_York) time.
What state is 843 area code?
843 is a South Carolina area code. It was put into service in 1998 and shares its geographic footprint with overlay codes 854, 821.
Is 843 a scam area code?
843 is a legitimate North American area code allocated by NANPA to South Carolina. Like any geographic area code, scammers sometimes spoof 843 numbers — judge each call by content (urgent demands, unfamiliar transfers) rather than the area code alone. Run the specific number through our reverse lookup if you're unsure.
What time zone does 843 use?
Area code 843 operates on ET (America/New_York). Numbers in this area code follow standard South Carolina time-zone rules including any daylight-saving transitions for that region.
Can I look up a specific 843 phone number?
Yes. Use the reverse lookup widget above to enter a full 843 number. NumLocation returns the line type (mobile, landline, VoIP), carrier, rate-center city, and any public listings tied to the number — free.
What's the difference between 843 and 854?
843 and 854 cover the same South Carolina geographic area as overlay codes. Calls between them are local, but you must dial all 10 digits. New phone numbers in this region are assigned from either pool depending on what's available with the carrier at signup.