CallataGuides

Business phone system for medical laboratories in South Carolina

236 medical laboratories operated in South Carolina in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
236CBP 2023
Employees
2,651mid-March 2023
Per 100k residents
4.3U.S. 4.9
State rank
27th of 51by count

Medical laboratories in South Carolina by the numbers

County Business Patterns counts 236 establishments in South Carolina classified as Medical Laboratories (NAICS 621511) for 2023. They employed 2,651 people in mid-March and reported $127.6 million in annual payroll. That is the 27th highest count among the 51 states and DC with published figures. Medical laboratories make up 0.19% of the 122,958 business establishments in the state.

Per 100,000 residents (2024 estimate) South Carolina has 4.3 medical laboratories, 11.9% below the national rate of 4.9. The average establishment has 11.2 employees against 14.0 nationally. Payroll per employee is $48,140, 35.1% below the U.S. figure of $74,156.

Medical laboratories: South Carolina compared with the U.S., 2023
MeasureSouth CarolinaUnited States
Establishments23616,635
Mid-March employees2,651 (moderate noise)232,333
Annual payroll$127,619,000$17,228,940,000
Employees per establishment11.214.0
Payroll per employee$48,140$74,156
Establishments per 100,000 residents4.34.9

Census County Business Patterns 2023 (mid-March employment; annual payroll). Employees and payroll flagged high-noise are shown but not used in the text. Residents: Census Vintage 2024 estimates.

Where medical laboratories in South Carolina are concentrated

Census published medical laboratory counts for 15 metro or micropolitan areas that include part of South Carolina. The largest is Charlotte, NC-SC, with 122 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 89% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Medical laboratories by metro or micropolitan area, South Carolina, 2023
AreaEstablishmentsEmployeesPer 100k residents
Charlotte, NC-SC1225914.2
Greenville, SC381,0063.8
Columbia, SC363104.1
Augusta, GA-SC361765.7
Charleston, SC34—3.9
Myrtle Beach, SC28—6.8
Hilton Head Island, SC19—8.0
Spartanburg, SC16—4.0
Florence, SC8—4.0
Orangeburg, SC8—9.6
Murrells Inlet, SC8—12.1
Sumter, SC5—4.8
Greenwood, SC4—4.2
Seneca, SC3—3.6
Newberry, SC3107.7

Source: Census County Business Patterns 2023; population from Census Vintage 2024 estimates.

Team sizes at medical laboratories in South Carolina

75.6% of South Carolina's medical laboratories with employees had fewer than five people in March 2023, compared with 69.4% nationally. 82.5% had fewer than ten. At that size the phone is shared, so routing (who rings, when, and what happens after hours) matters more than the number of desk phones.

Medical laboratories in South Carolina by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees17775.6%69.4%
5–9 employees166.8%13.6%
10–19 employees187.7%7.5%
20–49 employees135.6%4.8%
50 or more employees104.3%4.6%

Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.

Calls a medical laboratory in South Carolina has to catch

Labs answer calls from both patients and ordering providers, and the questions differ: hours and preparation instructions on one side, specimen and result status on the other. Routing those calls separately keeps both groups from waiting.

A few of the calls that come in to medical laboratories in South Carolina:

Texting patients and providers

Labs use texting mainly for hours, location and preparation reminders.

Texting from a local number in South Carolina requires carrier registration (10DLC), a one-time $49 fee on Callata.

Callata vs. per-seat pricing for medical laboratories in South Carolina

Medical laboratories in South Carolina average 11.2 employees, so the comparison uses an 11-person team. Priced per seat, 11 users would run $330.00 a month on RingCentral RingEX Core and $274.45 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $219.00 a month for 11 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $1,332 less than RingCentral for a medical laboratory in South Carolina of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for an 11-person medical laboratory
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$219.00$2,628.00
Quo (Starter)$19.00 per user$209.00$2,508.00
Nextiva (Core)$23.00 per user$253.00$3,036.00
Ooma (Office Pro)$24.95 per user$274.45$3,293.40
Dialpad (Standard)$27.00 per user$297.00$3,564.00
RingCentral (RingEX Core)$30.00 per user$330.00$3,960.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Area codes in South Carolina

South Carolina has 6 geographic area codes in service according to NANPA. Callata includes up to 3 local numbers, so a medical laboratory can hold a number in more than one of them.

Area codes in South Carolina by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
803784Eastern1947839
864784Eastern1995821
843783Eastern1998854
839190Eastern2020803
854182Eastern2015843
82142Eastern2024864

Exchanges are NANPA-assigned central office codes (NPA-NXX) in the rate centers matched to the area's named places. Source: NANPA utilized code and NPA reports.

How Callata works for medical laboratories in South Carolina

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 South Carolina 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.

Practices that handle protected health information should review their own privacy obligations before recording calls, enabling AI summaries or texting appointment details, and keep clinical conversations out of text messages unless their policies allow it.

Frequently asked questions

How many medical laboratories are in South Carolina?

236 in 2023, according to Census County Business Patterns. They employed 2,651 people in mid-March.

Which South Carolina metro area has the most medical laboratories?

Charlotte, NC-SC, with 122 establishments in 2023.

What does a phone system cost an 11-person medical laboratory?

$330.00 a month on RingCentral RingEX Core or $274.45 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $219.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

Do I need to register to text customers from a South Carolina number?

Yes. US carriers require business texting from local numbers to be registered (10DLC). On Callata the registration is a one-time $49 fee, and texting turns on once it is approved.