CallataGuidesBusiness phone system for optometry practices in Houston, TX
Optometry practices in the Houston-Pasadena-The Woodlands, TX metro area: 633 establishments in 2023, the local area codes, and what phone service costs a 6-person team.
- Establishments
- 633CBP 2023
- Employees
- 3,778mid-March 2023
- Per 100k residents
- 8.1U.S. 6.6
- Rank
- 5th of 734areas by count
Optometry practices in Houston, TX by the numbers
The Census Bureau's 2023 County Business Patterns lists 633 establishments classified as Offices of Optometrists (NAICS 621320) in the Houston-Pasadena-The Woodlands, TX metro area. They employed 3,778 people in mid-March and paid $189.5 million in annual payroll. By establishment count the area is 5th out of 734 areas with published figures for optometry practices.
Measured against its 7.8 million residents (2024 estimate), the area has 8.1 optometry practices per 100,000 people; the U.S. rate is 6.6, so Houston, TX is 22.7% above the national figure. The average establishment here has 6.0 employees, compared with 6.6 nationally. Payroll per employee comes to $50,146, 2.5% above the national $48,910.
| Measure | Houston, TX | Texas | United States |
|---|---|---|---|
| Establishments | 633 | 2,113 | 22,501 |
| Mid-March employees | 3,778 | 14,238 | 147,931 |
| Annual payroll | $189,453,000 | $705,149,000 | $7,235,361,000 |
| Employees per establishment | 6.0 | 6.7 | 6.6 |
| Payroll per employee | $50,146 | $49,526 | $48,910 |
| Establishments per 100,000 residents | 8.1 | 6.8 | 6.6 |
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.
How big optometry practices in Houston, TX are
Of the optometry practices in Houston, TX that had employees in March 2023, 51.7% had fewer than five (the U.S. share is 47.9%). 86.4% had fewer than ten. When a business has only a few people, whoever is free answers the phone, and calls that arrive while everyone is busy go to voicemail unless they are routed somewhere else.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 326 | 51.7% | 47.9% |
| 5–9 employees | 219 | 34.7% | 32.2% |
| 10–19 employees | 70 | 11.1% | 15.5% |
| 20–49 employees | 16 | 2.5% | 4.0% |
| 50 or more employees | 0 | 0.0% | 0.4% |
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.
What optometry practices in Houston, TX use the phone for
Eye-care offices combine exam scheduling with eyewear and contact-lens orders, so callers want both appointments and order status. Calls about broken glasses or eye irritation also need to reach someone quickly.
Calls an optometry practice in Houston, TX might handle in a typical week include:
- Someone calls about sudden eye irritation and asks whether to come in.
- A patient calls to reorder contact lenses.
- A parent calls to book a child's eye exam before the school year.
Texting patients
Optometry offices text patients when an eyewear or contact lens order is ready for pickup, along with appointment reminders.
Texts sent from a local business number in Houston, TX have to be registered with carriers first (10DLC); on Callata that is a one-time $49 fee, after which the whole team can text from the shared number.
Callata vs. per-seat pricing for optometry practices in Houston, TX
The average optometry practice in Houston, TX has 6.0 employees, so a 6-person team is a reasonable benchmark. Priced per seat, 6 users would run $180.00 a month on RingCentral RingEX Core and $149.70 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $119.00 a month for 6 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $732 less than RingCentral for an optometry practice in Houston, TX 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 | $119.00 | $1,428.00 |
| Quo (Starter) | $19.00 per user | $114.00 | $1,368.00 |
| Nextiva (Core) | $23.00 per user | $138.00 | $1,656.00 |
| Ooma (Office Pro) | $24.95 per user | $149.70 | $1,796.40 |
| Dialpad (Standard) | $27.00 per user | $162.00 | $1,944.00 |
| RingCentral (RingEX Core) | $30.00 per user | $180.00 | $2,160.00 |
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.
Which area code to use in Houston, TX
NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 713 has the most, with 747 of 2,385 exchanges (31%). A local number lets patients in Houston, TX 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 |
|---|---|---|---|---|
| 713 | 747 | Central | 1947 | 281, 346, 621, 832 |
| 832 | 547 | Central | 1999 | 281, 346, 713 |
| 281 | 393 | Central | 1996 | 346, 621, 713, 832 |
| 346 | 382 | Central | 2014 | 281, 621, 713, 832 |
| 936 | 144 | Central | 2000 | none |
| 979 | 100 | Central | 2000 | none |
| 409 | 71 | Central | 1982 | none |
| 806 | 1 | Central | 1957 | none |
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 optometry practices
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 Houston, TX 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 optometry practices are there in Houston, TX?
Census County Business Patterns counted 633 optometry practices in the Houston-Pasadena-The Woodlands, TX metro area in 2023. They employed 3,778 people in mid-March.
What does a business phone system cost for a 6-person optometry practice?
At month-to-month list prices checked September 28, 2026, 6 users cost $180.00 a month on RingCentral RingEX Core and $149.70 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $119.00.
What area code should an optometry practice in Houston, TX use?
Area code 713 has the most assigned exchanges among the area's named places, followed by 832 and 281. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for an optometry practice?
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. 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.