Get a local business phone number in Hilton Head Island, SC

What area code is Hilton Head Island, SC?

With 38,158 residents in the Census 2024 estimate, Hilton Head Island sits in Beaufort County, South Carolina. NANPA lists 44 exchanges for its rate center across 2 area codes; 843 has the most (28, 64%). 843 is part of an overlay with 854, so a new local number in Hilton Head Island may carry any of those codes depending on which have numbers available. Hilton Head Island is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 843 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Phone carriers in Hilton Head Island

8 carriers hold the 44 exchanges assigned to Hilton Head Island's rate center. New Cingular Wireless PCS, LLC - Ga has the most, with 19. 30 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Hilton Head Island can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Hilton Head Island

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Hilton Head Island's rate center (HILTONHEAD). The earliest assignment date recorded in the file for these codes is 2004. 19 of the 44 were assigned in 2020 or later.

When Hilton Head Island's exchanges were assigned

The table groups Hilton Head Island's exchanges by the decade NANPA recorded them as assigned.

Rate centers and local calling in Hilton Head Island

NANPA ties every exchange to a rate center. For Hilton Head Island that is HILTONHEAD, so a number from one of these exchanges reads as local to people in and around Hilton Head Island.

New local numbers are drawn from carrier inventory, so the exact 843 numbers available change over time; porting an existing number is free.

Businesses around Hilton Head Island

Hilton Head Island is part of the Hilton Head Island-Bluffton-Port Royal, SC metro area, home to 237,000 people in 2024. County Business Patterns counted 6,925 business establishments in the Hilton Head Island, SC metro area in 2023, employing 68,808 people. The largest sectors by establishment count are retail trade (945), construction (934), and professional, scientific, and technical services (765).

Setting up a Hilton Head Island business line

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Hilton Head Island is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

A 10-person team is the benchmark here, the rounded average establishment size in the Hilton Head Island, SC metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $300.00 a month and Ooma Office Pro $249.50. Callata comes to $199.00 a month for 10 users ($99 a month with 5 users included, then $20 per additional user), below both.