CallataGuidesGet a local business phone number in Liberty Hill, TX
Liberty Hill's area codes, prefixes and carriers from NANPA records, and how to put a Liberty Hill number in front of your customers.
- Area code
- 512 / 737
- Exchanges
- 6NANPA-assigned
- Carriers
- 5
- Population
- 11,984Census 2024 est.
Liberty Hill area codes
With 11,984 residents in the Census 2024 estimate, Liberty Hill sits in Williamson County, Texas. NANPA lists 6 exchanges for its rate center across 2 area codes; 512 has the most (3, 50%). 512 is part of an overlay with 737, so a new local number in Liberty Hill may carry any of those codes depending on which have numbers available. Liberty Hill is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 512 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Who holds Liberty Hill phone exchanges
5 carriers hold the 6 exchanges assigned to Liberty Hill's rate center. Southwestern Bell has the most, with 2. 6 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Southwestern Bell | 2 | 33% |
| TWC Ip Enabled Services, LLC | 1 | 17% |
| Peerless Network of Texas, LLC - TX | 1 | 17% |
| Ip Horizon LLC | 1 | 17% |
| Onvoy, LLC - TX | 1 | 17% |
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.
Liberty Hill phone prefixes
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Liberty Hill. The earliest assignment date recorded in the file for these codes is 2018. 1 of the 6 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 512 | 515, 548, 778 |
| 737 | 252, 417, 734 |
Source: NANPA utilized central office code file.
When Liberty Hill's exchanges were assigned
The table groups Liberty Hill's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 1 | 50% |
| 2020s | 1 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Liberty Hill
What a caller sees as "local" is the area code plus prefix. In Liberty Hill, those come from the LIBERTY HL rate center, as recorded by NANPA.
If your business already has a Liberty Hill number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Businesses around Liberty Hill
Liberty Hill is part of the Austin-Round Rock-San Marcos, TX metro area, home to 2.6 million people in 2024. County Business Patterns counted 66,280 business establishments in the Austin, TX metro area in 2023, employing 1,042,004 people. The largest sectors by establishment count are professional, scientific, and technical services (12,232), health care and social assistance (7,125), and retail trade (6,650).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 1,894 | 44,562 | 23.5 |
| Offices of real estate agents and brokers | 1,838 | 4,339 | 2.4 |
| Full-service restaurants | 1,750 | 47,560 | 27.2 |
| Physician practices | 1,679 | 22,448 | 13.4 |
| Management consulting firms | 1,548 | 9,536 | 6.2 |
| Law offices | 1,524 | 9,771 | 6.4 |
| Custom computer programming services firms | 1,461 | 28,216 | 19.3 |
| Computer systems design services firms | 1,095 | 10,111 | 9.2 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Liberty Hill business line
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 Liberty Hill 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Austin, TX metro area, 16 users on RingCentral RingEX Core come to $480.00 a month and on Ooma Office Pro $399.20, at month-to-month list prices checked September 28, 2026. Callata comes to $319.00 a month for 16 users ($99 a month with 5 users included, then $20 per additional user), below both.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $319.00 | $3,828.00 |
| Quo (Starter) | $19.00 per user | $304.00 | $3,648.00 |
| Nextiva (Core) | $23.00 per user | $368.00 | $4,416.00 |
| Ooma (Office Pro) | $24.95 per user | $399.20 | $4,790.40 |
| Dialpad (Standard) | $27.00 per user | $432.00 | $5,184.00 |
| RingCentral (RingEX Core) | $30.00 per user | $480.00 | $5,760.00 |
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 Liberty Hill, TX?
Liberty Hill has exchanges in 512 and 737; 512 has the most.
How many phone companies have exchanges in Liberty Hill?
5, holding 6 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Liberty Hill 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 Liberty Hill?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 16 users come to $319.00 a month. For comparison, 16 users on RingCentral RingEX Core list at $480.00 a month (checked September 28, 2026).