Area code 854

Area code 854 at a glance

854 is one of 6 geographic area codes serving South Carolina; NANPA records its in-service date as October 19, 2015. It is an overlay: 854 and 843 cover the same territory, so neighbors on the same street can have different area codes. It is in the Eastern time zone. The places with the most assigned exchanges include Charleston, Hilton Head Island, Florence, Beaufort, and Summerville. By population, its largest named places are Charleston, Mount Pleasant, Summerville, Florence, and Myrtle Beach.

Cities and towns in area code 854

854 holds 6.6% of the 2,765 central office codes assigned in South Carolina, the 5th most of the state's 6 codes. 54 Census places could be matched to rate centers with 854 exchanges; the most populous are Charleston (158,000), Mount Pleasant (95,604), Summerville (52,625), and Florence (40,923). Each place page lists the exact prefixes and carriers for that town.

How calls are dialed in 854

According to NANPA's dialing-plan data, local calls within 854 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits. Because local calls need the area code, business cards, signage and website copy should always show the full ten-digit number. NANPA's dialing-plan note for this code reads: "1+10 digit for all HNPA and FNPA calls permissible at each service provider discretion"

Carriers with 854 numbers

37 carriers hold the 182 central office codes assigned in 854. Onvoy, LLC - SC has the most, with 42 (23%). 182 of the codes (100%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. The code holder is not necessarily the carrier serving a given number today, since numbers can be ported between providers.

Where 854 numbers are rated

NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 854 has codes in 65 rate centers. Rate center names in the file are abbreviations; where one matches a Census place, the table links to that city's local-number page.

How full is area code 854?

An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 182 are assigned in 854, 23% of 800. 153 were assigned in 2020 or later.

Getting a 854 number for your business

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

Porting a number you already use in area code 854 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.