CallataGuidesGet a local business phone number in Granger, TX
Granger's area codes, prefixes and carriers from NANPA records, and how to put a Granger number in front of your customers.
- Area code
- 737 / 512
- Exchanges
- 4NANPA-assigned
- Carriers
- 3
- Population
- 1,209Census 2024 est.
Area codes in Granger
With 1,209 residents in the Census 2024 estimate, Granger sits in Williamson County, Texas. NANPA lists 4 exchanges for its rate center across 2 area codes; 737 has the most (3, 75%). 737 is part of an overlay with 512, so a new local number in Granger may carry any of those codes depending on which have numbers available. Granger is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 737 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in Granger
3 carriers hold the 4 exchanges assigned to Granger's rate center. Fractel, LLC has the most, with 2. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Granger can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Fractel, LLC | 2 | 50% |
| Frontier Southwest INC d/b/a Frontier Comm of Texas | 1 | 25% |
| Bandwidth.com CLEC, LLC - TX | 1 | 25% |
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 Granger
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Granger's rate center (GRANGER). The earliest assignment date recorded in the file for these codes is 2015. 2 of the 4 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 512 | 859 |
| 737 | 345, 702, 799 |
Source: NANPA utilized central office code file.
When Granger's exchanges were assigned
Assignment dates show when each block of Granger numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 1 | 33% |
| 2020s | 2 | 67% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Granger
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Granger's numbers are rated to the GRANGER rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Granger number.
New local numbers are drawn from carrier inventory, so the exact 737 numbers available change over time; porting an existing number is free.
Who does business near Granger
Granger 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 Granger 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.
If you already have a number in Granger, 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.
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. On Callata the same 16 people cost $319.00 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 | $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 Granger, TX?
Granger has exchanges in 737 and 512; 737 has the most.
How many phone companies have exchanges in Granger?
3, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Granger 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 Granger?
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).