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Charleston, South Carolina

Area Code 843 Phone Number
for Your Business

Get a local 843 number for your business in Charleston, SC. Cloud VoIP with SMS, an auto attendant (IVR), and more — starting at $30/ext/mo. No contracts.

Charleston Phone Service

What Is Area Code 843?

Area code 843 is a North American telephone area code serving Charleston, South Carolina. It has been in service since March 22, 1998 and operates on Eastern Time. It is part of the 843/854 overlay complex. Businesses operating in the 843 area code region use local numbers to build trust with customers, improve answer rates, and establish a professional local presence.

With Zonitel, you can get a new 843 area code number or port your existing one with guided onboarding — no hardware required. Your team can make and receive calls from any device using the Zonitel mobile app or web portal.

Area Code 843 at a Glance

Region
Charleston / Myrtle Beach / Coastal SC, South Carolina
In service
Since March 22, 1998
Time zone
Eastern Time
Overlay
Shares its territory with 854; local calls use 10-digit dialing
History
Created on March 22, 1998 from area code 803
Telemarketing hours
8 a.m.–9 p.m. Eastern Time for residential numbers (TCPA, 47 CFR 64.1200(c)(1))

Why Your Business Needs a 843 Local Number

A local number tells customers you're part of the community. People in Charleston are more likely to pick up a call from a 843 number they recognize than from an unfamiliar out-of-area number.

$30
Per extension per month for 1–5 users, plus tax
0
Annual contracts — service is month-to-month
EN + ES
Bilingual support team, Mon–Sat (Central Time)

Everything Included With Your 843 Number

Zonitel is not just a phone number — it's a complete cloud business phone system. Every plan includes:

Unlimited US & Canada Calling (Reasonable Use)
Two-Way Business Texting (SMS)
Auto Attendant (IVR)
Mobile App (iOS & Android)
Call Recording & Analytics
Voicemail to Email
Call Routing & Ring Groups
No Contracts · From $30/ext

Frequently Asked Questions About Area Code 843

What cities use area code 843?

Area code 843 serves the Charleston / Myrtle Beach / Coastal SC area of South Carolina. Cities in the 843 region include Charleston, SC.

Is area code 843 an overlay?

Yes. 843 is part of the 843/854 overlay, so new numbers in this region can come from any of those area codes, and local calls require 10-digit dialing.

What time zone is area code 843 in?

Area code 843 is in Eastern Time. Telemarketing calls to residential 843 numbers are limited to 8 a.m.–9 p.m. Eastern Time under the TCPA (47 CFR 64.1200(c)(1)).

Can I get a 843 number for my business without moving there?

Yes. With Zonitel's cloud VoIP, you can get a 843 area code number regardless of where your business is physically located. This lets you establish a local presence in Charleston without a physical office.

Can I keep my existing 843 number and switch to Zonitel?

Yes. Number porting is free. Porting commonly takes 5–10 business days depending on your current carrier, and your old service stays active until the coordinated cutover.

How much does a 843 business phone number cost?

Zonitel plans start at $30/extension/month plus tax, with no setup fees and no contracts. Your 843 local number is included in the plan.

Get Your 843 Area Code Number Today

30-day free trial. No annual contract required. Guided onboarding.

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