CallataGuidesBusiness phone system for drywall and insulation contractors in Charleston, SC
Drywall and insulation contractors in the Charleston-North Charleston, SC metro area: 38 establishments in 2023, the local area codes, and what phone service costs a 13-person team.
- Establishments
- 38CBP 2023
- Employees
- 500mid-March 2023
- Per 100k residents
- 4.4U.S. 6.1
- Rank
- 107th of 596areas by count
The drywall and insulation contractor market in Charleston, SC
County Business Patterns counts 38 drywall and insulation contractors (NAICS 238310, Drywall and Insulation Contractors) in the Charleston-North Charleston, SC metro area for 2023. They employed 500 people in mid-March and paid $34.3 million in annual payroll. By establishment count the area is 107th out of 596 areas with published figures for drywall and insulation contractors.
Measured against its 870,000 residents (2024 estimate), the area has 4.4 drywall and insulation contractors per 100,000 people; the U.S. rate is 6.1, so Charleston, SC is 28.4% below the national figure. The average establishment here has 13.2 employees, compared with 12.1 nationally. Payroll per employee comes to $68,698, 3.1% above the national $66,624.
| Measure | Charleston, SC | South Carolina | United States |
|---|---|---|---|
| Establishments | 38 | 220 | 20,760 |
| Mid-March employees | 500 (moderate noise) | 1,947 (moderate noise) | 250,758 |
| Annual payroll | $34,349,000 (moderate noise) | $122,728,000 (moderate noise) | $16,706,406,000 |
| Employees per establishment | 13.2 | 8.8 | 12.1 |
| Payroll per employee | $68,698 | $63,034 | $66,624 |
| Establishments per 100,000 residents | 4.4 | 4.0 | 6.1 |
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.
Establishment size: drywall and insulation contractors in Charleston, SC
Of the drywall and insulation contractors in Charleston, SC that had employees in March 2023, 54.1% had fewer than five (the U.S. share is 60.7%). 62.2% had fewer than ten. For a business of a few people, phone coverage is a staffing question as much as a technology one: someone has to be free to pick up, or the call needs somewhere sensible to go.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 20 | 54.1% | 60.7% |
| 5–9 employees | 3 | 8.1% | 16.0% |
| 10–19 employees | 5 | 13.5% | 10.6% |
| 20–49 employees | 9 | 24.3% | 7.9% |
| 50 or more employees | 0 | 0.0% | 5.0% |
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 drywall and insulation contractor in Charleston, SC has to catch
Drywall and insulation contractors work mostly for builders and remodelers on schedules that depend on other trades. Quick responses keep projects from stalling. That holds for drywall and insulation contractors in Charleston, SC as much as anywhere.
A few of the calls that come in to drywall and insulation contractors in Charleston, SC:
- A remodeler calls about a patch job.
- A customer calls about attic insulation.
- A builder calls to schedule hanging and finishing.
Texting customers
Contractors text crew schedules and progress photos.
Because carriers require registration for business texting from local numbers, Callata files a 10DLC registration for a one-time $49; after approval, anyone on the team can reply from the business number.
What a phone system costs a drywall and insulation contractor in Charleston, SC
The average drywall and insulation contractor in Charleston, SC has 13.2 employees, so a 13-person team is a reasonable benchmark. On a per-user plan that headcount sets the bill: $324.35 a month on Ooma Office Pro or $390.00 on RingCentral RingEX Core at list price (checked September 28, 2026). Callata comes to $259.00 a month for 13 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $1,572 less than RingCentral for a drywall and insulation contractor in Charleston, SC of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $259.00 | $3,108.00 |
| Quo (Starter) | $19.00 per user | $247.00 | $2,964.00 |
| Nextiva (Core) | $23.00 per user | $299.00 | $3,588.00 |
| Ooma (Office Pro) | $24.95 per user | $324.35 | $3,892.20 |
| Dialpad (Standard) | $27.00 per user | $351.00 | $4,212.00 |
| RingCentral (RingEX Core) | $30.00 per user | $390.00 | $4,680.00 |
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.
Local area codes for drywall and insulation contractors in Charleston, SC
NANPA records place the exchanges of the area's named cities and towns in 2 area codes. 843 has the most, with 267 of 330 exchanges (81%). A local number lets customers in Charleston, SC call without dialing out of area. Callata includes up to 3 local numbers, and which numbers are open in an area code depends on carrier inventory when you choose.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 843 | 267 | Eastern | 1998 | 854 |
| 854 | 63 | Eastern | 2015 | 843 |
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.
Setting up Callata for a drywall and insulation contractor in Charleston, SC
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 Charleston, 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.
Frequently asked questions
How many drywall and insulation contractors are there in Charleston, SC?
Census County Business Patterns counted 38 drywall and insulation contractors in the Charleston-North Charleston, SC metro area in 2023. They employed 500 people in mid-March.
What does a business phone system cost for a 13-person drywall and insulation contractor?
At month-to-month list prices checked September 28, 2026, 13 users cost $390.00 a month on RingCentral RingEX Core and $324.35 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $259.00.
What area code should a drywall and insulation contractor in Charleston, SC use?
Area code 843 has the most assigned exchanges among the area's named places, followed by 854. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for a drywall and insulation contractor?
Yes. Callata's optional AI agents can answer when the team is busy or closed, take a message, text, email or transfer the call. They disclose that they are AI and are billed from prepaid AI minutes at $0.25 per minute.