Columbia, SC business phone guide

The Columbia, SC area

The Columbia, SC metro area covers 6 counties in South Carolina and had 870,000 residents in July 2024, up 4.9% since April 2020. The U.S. population grew 2.6% over the same period. Richland County, SC is the most populous, with 431,000 people. By population it ranks 70th of the 925 metro and micropolitan areas and 74th by business establishments.

Businesses in Columbia, SC

County Business Patterns counted 18,855 establishments in the area in 2023, employing 314,623 people in mid-March with $16.1 billion in annual payroll. That is an average of 16.7 employees per establishment. 51.5% of establishments with employees had fewer than five people. By establishment count, the largest sectors are retail trade (2,776), health care and social assistance (2,124), and professional, scientific, and technical services (2,109).

Business density and team size in Columbia, SC

Columbia, SC has 21.7 business establishments per 1,000 residents, 11.9% below the U.S. figure of 24.6. Establishments average 16.7 employees against 16.7 nationally, and payroll per employee is $51,158 (25.1% below the U.S. $68,342). 51.5% of establishments with employees have fewer than five people (U.S.: 55.5%), while 5.8% have 50 or more. Most establishments are far smaller than the average suggests, so it pays to price a phone plan at the headcount you actually have rather than the average.

Small-business industries in Columbia, SC

Of the 141 industries these guides cover, 139 have a published Census count in Columbia, SC. The largest are limited-service restaurants (676), full-service restaurants (629), and law offices (542). Relative to population, general rental centers are the most over-represented: 1.6 per 100,000 residents against 0.8 nationally.

Which area codes serve Columbia, SC

The area's named cities and towns have 372 NANPA-assigned exchanges across 5 area codes; 803 has the most (87%). Callata includes up to 3 local numbers, so a business serving several parts of the area can hold a number in each.

Local numbers by city

Pages for 7 cities and towns in the area list their area codes, prefixes and carriers.

Phone costs for a typical Columbia, SC business

Per-seat phone plans multiply by headcount. For the rounded average establishment size in Columbia, SC, 17 users on RingCentral RingEX Core come to $510.00 a month and on Ooma Office Pro $424.15, at month-to-month list prices checked September 28, 2026. Callata comes to $339.00 a month for 17 users ($99 a month with 5 users included, then $20 per additional user), below both.

Callata in Columbia, SC

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

Porting a number you already use in Columbia, SC 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.