Area code 843 – South Carolina
843 has served South Carolina since 1998, split from 803. All but a handful of its 786 number blocks are allocated (783 of 786), so it is effectively exhausted. No carrier dominates: Other CLEC / VoIP 27.3%, AT&T 26.6%, Verizon 13.7%. It shares its geography with overlay codes 854, so local calls take all ten digits. FTC complaints naming a 843 caller ID totalled 571 in the 33 days to 30 October 2026 (184th of 422 ranked codes).
- State
- South Carolina
- In service since
- 1998
- Time zone
- Eastern
- Shares area with
- 854
Who holds 843 number blocks
Share of the 783 assigned NXX blocks (99.6% of the 786 possible), across 49 carriers. This is share of number blocks, not of subscribers.
- AT&T26.6%
- Other CLEC / VoIP17%
- Verizon13.7%
- T-Mobile10.5%
- Windstream7.4%
- Frontier7.3%
- Lumen5.6%
- Charter3.4%
- Brightspeed2%
- Onvoy1.8%
- Bandwidth1.5%
- Spok1.1%
- Comcast0.6%
- Peerless0.5%
- Telnyx0.4%
- Vonage0.4%
- Twilio0.1%
Spam complaints naming 843
FTC Do Not Call complaints where the caller ID was a 843 number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are frequently spoofed, so these are complaints about the code, not calls proven to originate in it.
Rate centers in 843
NANPA allocates number blocks to rate centers and records their names abbreviated to ten characters, so these are NANPA's codes rather than place names – CHAMPAURBN is Champaign-Urbana, NWYRCYZN01 is a New York City zone. We show them unchanged instead of guessing at the full names. Showing the largest 5 of 93.
Timeline
- 1998 843 goes into service, split from or overlaid on 803.
More about 843
Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.
Frequently asked about 843
What state is area code 843?
South Carolina. It covers the same area as 843/854.
Can I still get a 843 number?
Only from recycled stock. 783 of the 786 available blocks are already allocated, so new numbers in the area normally come from the overlay codes (843/854).
Is a call from 843 a scam?
Not by itself. 843 drew 571 FTC complaints in the 33 days to 30 October 2026, 184th of 422 ranked codes – mid-pack or lower. Spam callers spoof caller IDs, so the only useful check is the full number.
Which carrier owns 843 numbers?
Other CLEC / VoIP holds the largest share of assigned number blocks at 27.3%. The rest is spread across 3 other carriers. This is share of number blocks, not of subscribers – people keep their numbers when they switch carriers.
Do I need to dial 10 digits in 843?
Yes – ten digits for local calls in 843, because it shares its area with another code.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
- NANPA – CO Code Assignment Records, All States (utilized), file updated 11/01/2026, retrieved Nov 1, 2026
- FTC – Do Not Call Reported Calls Data, 25 daily files 28 Sep – 30 Oct 2026, retrieved Nov 1, 2026
NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.