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US area code · South Carolina

Area code 843

Where the 843 area code is, its overlay and how to dial a +1 843 number from anywhere.

CoversNorth Charleston, South CarolinaTime zoneEastern (ET)TypeOverlay
Quick answer

The 843 area code is in North Charleston, South Carolina, United States (Eastern (ET)). To call from abroad: +1 843 555-0123. It is an overlay, so all 10 digits are dialled.

StateSouth Carolina
Main areaNorth Charleston
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since05-Sep-1997

The 843 area code is a geographic North American Numbering Plan (NANP) code covering North Charleston, South Carolina. It has been in service since 05-Sep-1997 and sits in the Eastern (ET) time zone.

Overlay 843 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

843803854

How to dial a 843 number

From abroad+1 843 555-0123
Within the US / Canada1 843 555-0123
Locally (same area)843 555-0123

Cities in the 843 area code

A 843 number is usually in one of these places in South Carolina — 7 counties.

Florence FlorenceGoose Creek BerkeleyHilton Head Island BeaufortMount Pleasant CharlestonNorth Charleston Berkeley;Charleston;DorchesterNorth Myrtle Beach HorrySummerville Dorchester

Other South Carolina area codes

803821839854864

Frequently asked questions

Where is the 843 area code?

The 843 area code is in North Charleston, South Carolina, United States (Eastern (ET)).

Is 843 an overlay area code?

Yes. 843 overlays the same region as 803, 854, so callers dial all 10 digits.

Do I have to dial 10 digits for 843?

Yes — dial the area code plus the seven-digit number.

How do I call a 843 number from another country?

Dial your exit code (or +), then 1, then 843, then the number: +1 843 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 843 number does not pinpoint a street or ZIP code.

Missed a call from +1 843?

In the 30 days to September 24, 2026, 454 unwanted calls showing a 843 number were reported to the US Federal Trade Commission, 65% of them recorded messages or robocalls. That puts 843 at #226 of 670 area codes reported.

Other155
Calls pretending to be government, businesses, or family and friends91
Reducing your debt (credit cards, mortgage, student loans)77
Medical & prescriptions27
Before you call back
  • If you do not know anyone in South Carolina, do not call back: a genuine caller will leave a message or send a text.
  • Scammers fake the number shown on caller ID, so a 843 number can hide a caller anywhere in the world.
  • Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.

Who issues +1 843 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 843:

Bellsouth Telecomm Inc Dba Southern Bell Tel & Tel 143Cellco Partnership Dba Verizon Wireless 103Suncom Dba T-Mobile USA 65Paetec Itel, LLC 58Frontier Communications Of The Carolinas Inc. 57New Cingular Wireless PCS, LLC 53

About 27.6% of the 800 prefixes in use belong to mobile carriers: a 843 number is often a cell phone, and it may have moved to another carrier since.

Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.

All US area codes United States +1 Map of area code 843 — cities & rate centres