854 Area Code: Charleston, South Carolina

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Area Code 854 Information

State: South Carolina
Primary City: Charleston
Primary Carrier: AT&T
Other Cities: Columbia, Greenville

Neighborhood Demographics

Based on US Census data for Charleston

36.1 y/o

Median Age

Compared to the US median age of 38.7 y/o

$90K

Median Income

Compared to the US median income of $78.5K

$469.1K

Median Home Value

Compared to the US median home value of $303.4K

152K

Charleston Population

Compared to the US median city population of 171.9K

Active Prefixes in the 854 Area Code

About the 854 Area Code

South Carolina's 854 area code is an overlay sharing geography with the long-running 843 across coastal South Carolina. Charleston anchors the directory's records here. The city sits on a peninsula between the Ashley and Cooper rivers where they reach Charleston Harbor, organized around the historic district, a substantial port, and a growing aerospace, automotive, and technology base. The 854 designation, part of the North American Numbering Plan, has been filling with allocations as the broader 843 region's number demand has continued to grow.

In records the directory has compiled for 854 numbers, other South Carolina cities — Columbia and Greenville — appear regularly. Neither is inside the 854 footprint. The pattern reflects standard public-record dynamics across South Carolina. The directory currently documents 15 distinct prefixes within 854 in detail, an early-stage subset that should be read as a working slice of the prefix population the code will eventually carry.

Charleston's median household income runs above the US figure, supported by the city's growing concentration of aerospace, technology, and tourism-related employment. Home values come in well above the national median, in line with broader coastal Southeast pricing pressure. The city's median age sits close to the US reading, and population places Charleston as one of the larger cities in South Carolina. The 854 footprint shares those demographics with 843 because both codes serve coastal South Carolina in overlapping form, and the broader region reflects a long-running mix of resort communities (Hilton Head, Myrtle Beach), the working coast, and the surrounding Lowcountry.