Get a local business phone number in Alvin, TX
Alvin's area codes, prefixes and carriers from NANPA records, and how to put a Alvin number in front of your customers.
- Area code
- 346 / 281 / 832
- Exchanges
- 23NANPA-assigned
- Carriers
- 9
- Population
- 29,869Census 2024 est.
Alvin area codes
With 29,869 residents in the Census 2024 estimate, Alvin sits in Brazoria County, Texas. NANPA lists 23 exchanges for its rate center across 3 area codes; 346 has the most (10, 43%). 346 is part of an overlay with 281, 621, 713, and 832, so a new local number in Alvin may carry any of those codes depending on which have numbers available. Alvin is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 346 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in Alvin
9 carriers hold the 23 exchanges assigned to Alvin's rate center. Southwestern Bell has the most, with 5. 20 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Alvin can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Southwestern Bell | 5 | 22% |
| Onvoy, LLC - TX | 5 | 22% |
| Cellco Partnership d/b/a Verizon Wireless - TX | 4 | 17% |
| Level 3 Communications, LLC - TX | 3 | 13% |
| Bandwidth.com CLEC, LLC - TX | 2 | 8.7% |
| Level 3 of Telecom of Texas, LLC - TX | 1 | 4.3% |
| Telnyx LLC | 1 | 4.3% |
| Peerless Network of Texas, LLC - TX | 1 | 4.3% |
| Matrix Telecom, LLC. S/i/i Tnci - TX | 1 | 4.3% |
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 Alvin
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Alvin's rate center (ALVIN). The earliest assignment date recorded in the file for these codes is 2004. 7 of the 23 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 281 | 245, 299, 331, 388, 585, 756, 824, 968 |
| 346 | 215, 318, 347, 463, 552, 603, 735, 738, 785, 912 |
| 832 | 400, 621, 645, 802, 862 |
Source: NANPA utilized central office code file.
When Alvin's exchanges were assigned
Assignment dates show when each block of Alvin numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 8.3% |
| 2010s | 4 | 33% |
| 2020s | 7 | 58% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Alvin
NANPA ties every exchange to a rate center. For Alvin that is ALVIN, so a number from one of these exchanges reads as local to people in and around Alvin.
Keeping an existing Alvin number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 346 when you pick it.
Businesses around Alvin
Alvin is part of the Houston-Pasadena-The Woodlands, TX metro area, home to 7.8 million people in 2024. County Business Patterns counted 162,055 business establishments in the Houston, TX metro area in 2023, employing 2,863,143 people. The largest sectors by establishment count are professional, scientific, and technical services (22,233), retail trade (20,204), and health care and social assistance (20,054).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 5,768 | 129,426 | 22.4 |
| Physician practices | 5,628 | 52,412 | 9.3 |
| Full-service restaurants | 5,201 | 133,839 | 25.7 |
| Law offices | 3,867 | 27,482 | 7.1 |
| Dental offices | 3,400 | 21,058 | 6.2 |
| Insurance agencies and brokerages | 2,805 | 16,850 | 6.0 |
| Management consulting firms | 2,726 | 20,467 | 7.5 |
| Offices of real estate agents and brokers | 2,582 | 6,722 | 2.6 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Alvin
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 Alvin, 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.
An 18-person team is the benchmark here, the rounded average establishment size in the Houston, TX metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $540.00 a month and Ooma Office Pro $449.10. 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 Alvin, TX?
Alvin has exchanges in 346, 281, and 832; 346 has the most.
How many phone companies have exchanges in Alvin?
9, holding 23 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Alvin 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 Alvin?
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).