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843 Area Code: South Carolina's Coastal Prefix from Charleston to Hilton Head

Wondering what the 843 area code covers? See every Charleston and Myrtle Beach city it reaches, the 854 overlay, its 1998 start, and how to claim your number.

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Aryan Khan
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August 6, 20267 min read
843 Area Code

843 Area Code: South Carolina's Coastal Prefix from Charleston to Hilton Head

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Introduction

The 843 area code has connected South Carolina's coast since 1998, and this guide covers everything that prefix means today. Business owners weighing a local number and residents who type what is 843 area code into a search bar both need the same clear facts. This article walks through the cities it covers, the history behind its boundaries, the newer 854 overlay, and how to spot a scam call using it. By the end, this coastal Carolina prefix will make complete sense, down to why you now dial 10 digits for a call across town.

  • The 843 area code covers Charleston, Myrtle Beach, Hilton Head Island, Florence, and Beaufort.
  • It launched in 1998 as a split from South Carolina's original 803 area code.
  • The 854 overlay arrived in 2015, becoming the state's first all-services overlay.
  • A cloud phone provider lets any business activate a local South Carolina number in minutes, with no hardware required.

South Carolina's Coastal Calling Zone

Charleston, Myrtle Beach, Hilton Head, and Beyond

Anyone searching where is 843 area code wants a quick answer before anything else. The territory runs along South Carolina's entire coastline, stretching from the North Carolina border down through the Lowcountry near Georgia. Charleston, Myrtle Beach, Hilton Head Island, Florence, Beaufort, Summerville, and Conway all share this code today.

Map of the 843 area code reaching Charleston, Myrtle Beach, Hilton Head Island, Beaufort, and the rest of coastal South Carolina
South Carolina's coastal calling zone under the 843 area code.

That mix covers a historic port city, a major beach resort destination, and a string of smaller coastal and inland communities within the same calling region. A local phone number here signals a genuine coastal South Carolina presence, the same way an 810 area code number signals a genuine tie to east-central Michigan. The territory's reach explains why this single prefix carries so much recognition across such a long stretch of coastline.

The economy behind this footprint is more varied than the postcard image suggests. Charleston's port ranks among the fastest-growing in the country and has drawn major manufacturing investment from Volvo and Mercedes-Benz, while Myrtle Beach alone pulls in more than 14 million visitors a year for its tourism and hospitality industry. Hilton Head Island rounds out the picture with a real estate and resort market that commands premium rates year-round, giving an 843 number weight across three very different kinds of local business. Letsdial makes claiming that presence straightforward, since a coastal South Carolina number activates the same day a company signs up.

Eastern Time on the Coast

Every number under this prefix runs on Eastern Time, matching the rest of South Carolina and the East Coast. Businesses coordinating with partners in New York, Atlanta, or Washington never need to think about time zone gaps here. That shared time zone makes the coast a convenient base for companies serving clients throughout the Southeast.

The Story Behind the 843 Area Code

South Carolina's phone numbers have been redrawn a handful of times as its coastal population grew, and the 843 area code marks one of the bigger changes in that history. Regulators created it specifically to give the coast its own dedicated prefix, separate from the rest of the state.

Timeline of the 843 area code from its 1998 split from area code 803 through the 854 overlay launched in 2015
From the 1998 split to the 854 overlay: the story behind the 843 area code.

The 1998 Split from 803

Area code 843 was created on March 22, 1998, when it split away from the original 803 area code, which had covered a much wider stretch of South Carolina up to that point. That split gave Charleston, Myrtle Beach, and the rest of the coast a dedicated prefix distinct from Columbia and the central part of the state. The change reflected just how much the coastal population had grown since 803 was first assigned.

The 854 Overlay in 2015

By the early 2010s, the coast's tourism boom and population growth pushed available 843 numbers close to exhaustion again. Regulators approved an overlay rather than another split, and area code 854 went into service on October 19, 2015, becoming South Carolina's first all-services overlay. Because both codes now serve the same region, every local call requires all 10 digits, even a call between two businesses on the same street.

Why Businesses Choose Local Phone Numbers

Local area codes carry weight with customers long before anyone answers the phone. A caller ID that matches the region a customer already recognizes tends to get answered more often than an unfamiliar prefix, and that small signal builds trust before a conversation even starts. Contractors, clinics, and real estate agents around Charleston often pick a matching 843 number for exactly this reason.

Virtual phone numbers make that local presence possible without renting office space just to justify a regional prefix. A business can hold a coastal South Carolina number while its team works from anywhere, since the number itself lives in the cloud rather than tied to a physical desk phone. Letsdial is one example of a provider that bundles this kind of virtual number with call routing, voicemail, and texting in a single dashboard.

Cloud phone systems add flexibility on top of that local presence. Teams can scale a number up or down as call volume shifts, add new lines without an installation appointment, and route calls intelligently based on time of day or caller intent. When choosing a business phone number, prioritize a prefix your actual customers recognize, confirm the provider supports the channels you need, and check that porting an existing number stays simple if you ever switch providers.

Common Uses and Interesting Facts About the 843 Area Code

Beyond the dialing mechanics, the 843 area code carries a distinct identity tied to the communities it covers. A few practical uses and regional facts round out the full picture.

Who Typically Uses an 843 Number

  • Real estate agents and property managers listing homes and vacation rentals along the coast.
  • Tourism operators, charter boats, and hospitality businesses serving seasonal visitors.
  • Remote workers and relocated professionals who want to keep a local presence while working from anywhere.
  • Regional healthcare providers and clinics serving patients across multiple coastal counties.

A Few Fun Facts About the Coast

  • The region covered by 843 spans four distinct areas: the Lowcountry, the Grand Strand, the Pee Dee, and the Sandhills.
  • Fort Sumter, where the first shots of the Civil War were fired in 1861, sits inside Charleston Harbor within this area code.
  • Part of the federally recognized Gullah Geechee Cultural Heritage Corridor runs along this same coastline.
  • Myrtle Beach's stretch of coast has been nicknamed the Grand Strand for its unbroken run of sandy beach.

Recognizing Scam Calls With an 843 Area Code

Four steps for recognizing scam calls with an 843 area code: don't answer, don't share info, verify the caller, watch for rental scams
Four steps for recognizing scam calls with an 843 area code.

This area code carries no more risk than any other, but its tourist-heavy reputation makes it an appealing target for spoofed robocalls. Scammers can fake a caller ID to display a Charleston or Myrtle Beach number even when the call actually originates far outside South Carolina. Anyone can verify a suspicious call by searching the number online or calling the business back through its official website.

Vacation rental scams add an extra wrinkle along this coast, since fraudsters often spoof an 843 number to make a fake booking confirmation or refund request look local. A legitimate property manager or hotel will never pressure a guest for gift cards or wire transfers over the phone, the same caution that applies to a rental scam using an 808 area code number in Hawaii. Travelers booking a Myrtle Beach or Hilton Head stay should confirm any unexpected call through the property's official website rather than trusting the caller ID alone.

843 Compared to South Carolina's Other Area Codes

843 South Carolina coastal area code compared to 803 Columbia and 864 Greenville Upstate
843 compared with South Carolina's other area codes.

South Carolina's numbering map connects directly to the codes bordering this coastal territory. Area code 803 now covers Columbia and the central Midlands region, while 864 handles the Upstate around Greenville, the same way a company anchored in a different market covers a different corner of the country entirely. According to the FCC's overview of area code overlays, the 854 overlay was designed specifically to preserve the 843 area code's identity rather than force another disruptive split.

Businesses serving customers up and down the coast often hold multiple numbers rather than picking just one prefix. A cloud phone provider keeps every one of those numbers inside a single login, the same way a company running operations across an entire island chain might rely on a single line for the whole state. That approach also saves money compared to renting separate office space in each coastal city just to justify a matching prefix.

Choosing area code 843 specifically still makes sense for any business rooted in Charleston, Myrtle Beach, or Hilton Head, even as 854 numbers become more common alongside it. The prefix remains the recognizable anchor of South Carolina's entire coastline, despite sharing its footprint with a newer overlay. That name recognition is a quiet advantage for companies planning to stay in the market long term, especially for seasonal operators who need customers to recognize the number every summer without re-establishing trust from scratch.

Conclusion

The 843 area code remains one of South Carolina's most recognizable prefixes, stretching from Myrtle Beach's boardwalk to Hilton Head's resorts. Its history, from a 1998 split off area code 803 through the 854 overlay added in 2015, explains why callers now dial 10 digits even for local numbers. Charleston, Myrtle Beach, and Beaufort all share this code, along with millions of residents and visitors spread across the coast. Knowing this background helps any reader answer, use, or claim an area code 843 number with real confidence.

Businesses that want a genuine coastal South Carolina presence no longer need to open a physical office there. A cloud-based provider can assign a local number, route calls intelligently, and even staff an AI receptionist around the clock. Whether the goal is building local trust or simply managing calls more efficiently, the next step is straightforward. Start exploring a Letsdial number today and give customers the local connection they already expect.

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Written by Aryan Khan · August 6, 2026

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