CallataGuidesGet a local business phone number in Marble Falls, TX
Marble Falls's area code, prefixes and carriers from NANPA records, and how to put a Marble Falls number in front of your customers.
- Area code
- 830
- Exchanges
- 12NANPA-assigned
- Carriers
- 7
- Population
- 9,413Census 2024 est.
Area codes in Marble Falls
Marble Falls, in Burnet County, Texas, had a Census-estimated population of 9,413 in July 2024. All 12 exchanges NANPA lists for its rate center are in area code 830. Marble Falls is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 830 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 830 | 12 | 100% | 1997 | none | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Marble Falls
7 carriers hold the 12 exchanges assigned to Marble Falls's rate center. T-mobile USA, INC. has the most, with 3. 10 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| T-mobile USA, INC. | 3 | 25% |
| Onvoy, LLC - TX | 2 | 17% |
| Cellco Partnership d/b/a Verizon Wireless - TX | 2 | 17% |
| Frontier Southwest INC d/b/a Frontier Comm of Texas | 2 | 17% |
| TWC Ip Enabled Services, LLC | 1 | 8.3% |
| New Cingular Wireless PCS, LLC - Il | 1 | 8.3% |
| Level 3 Communications, LLC - TX | 1 | 8.3% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
Exchanges (NPA-NXX) assigned in Marble Falls
These are the central office codes NANPA records for Marble Falls. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 3 of the 12 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 830 | 201, 220, 262, 265, 347, 371, 385, 613, 637, 693, 798, 987 |
Source: NANPA utilized central office code file.
When Marble Falls's exchanges were assigned
Assignment dates show when each block of Marble Falls numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 6 | 60% |
| 2010s | 1 | 10% |
| 2020s | 3 | 30% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Marble Falls
NANPA ties every exchange to a rate center. For Marble Falls that is MARBLE FLS, so a number from one of these exchanges reads as local to people in and around Marble Falls.
If your business already has a Marble Falls number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
The local business market
Marble Falls is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 670,878 business establishments in Texas in 2023, employing 12,012,629 people. The largest sectors by establishment count are retail trade (84,369), professional, scientific, and technical services (83,842), and health care and social assistance (80,576).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 24,360 | 545,407 | 22.4 |
| Physician practices | 21,500 | 217,413 | 10.1 |
| Full-service restaurants | 20,819 | 493,197 | 23.7 |
| Law offices | 13,833 | 87,363 | 6.3 |
| Insurance agencies and brokerages | 12,210 | 78,885 | 6.5 |
| Dental offices | 11,902 | 86,333 | 7.3 |
| Offices of real estate agents and brokers | 11,405 | 33,989 | 3.0 |
| Management consulting firms | 9,705 | 80,499 | 8.3 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Marble Falls
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.
If you already have a number in Marble Falls, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
The comparison below uses 18 users, the rounded average establishment size in Texas. At list prices checked September 28, 2026, that is $449.10 a month on Ooma Office Pro and $540.00 on RingCentral RingEX Core. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $359.00 | $4,308.00 |
| Quo (Starter) | $19.00 per user | $342.00 | $4,104.00 |
| Nextiva (Core) | $23.00 per user | $414.00 | $4,968.00 |
| Ooma (Office Pro) | $24.95 per user | $449.10 | $5,389.20 |
| Dialpad (Standard) | $27.00 per user | $486.00 | $5,832.00 |
| RingCentral (RingEX Core) | $30.00 per user | $540.00 | $6,480.00 |
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.
Frequently asked questions
What area code is Marble Falls, TX?
830. All exchanges NANPA lists for Marble Falls are in 830.
How many phone companies have exchanges in Marble Falls?
7, holding 12 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Marble Falls business number?
Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.
How much is a business phone line in Marble Falls?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 18 users come to $359.00 a month. For comparison, 18 users on RingCentral RingEX Core list at $540.00 a month (checked September 28, 2026).