CallataGuides

Get a local business phone number in Leander, TX

Leander's area codes, prefixes and carriers from NANPA records, and how to put a Leander number in front of your customers.

Area code
512 / 737
Exchanges
22NANPA-assigned
Carriers
10
Population
87,511Census 2024 est.

What area code is Leander, TX?

With 87,511 residents in the Census 2024 estimate, Leander sits in Williamson County, Texas. NANPA lists 22 exchanges for its rate center across 2 area codes; 512 has the most (12, 55%). 512 is part of an overlay with 737, so a new local number in Leander may carry any of those codes depending on which have numbers available. Leander 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.

Area codes with exchanges in Leander, TX
Area codeExchanges hereShareIn service sinceOverlay withTime zone
5121255%1947737Central
7371045%2013512Central

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Phone carriers in Leander

10 carriers hold the 22 exchanges assigned to Leander's rate center. Onvoy, LLC - TX has the most, with 6. 19 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Leander can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Leander, TX
Carrier (NANPA operating company)ExchangesShare
Onvoy, LLC - TX627%
T-mobile USA, INC.523%
Southwestern Bell418%
AT&T Enterprises, LLC14.5%
Level 3 Communications, LLC - TX14.5%
Teleport Communications America, LLC - TX14.5%
Bandwidth.com CLEC, LLC - TX14.5%
Fractel, LLC14.5%
Foremost Telecommunications Corporation - TX14.5%
Mcimetro Access Transmission Services LLC - TX14.5%

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 Leander

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Leander's rate center (LEANDER). The earliest assignment date recorded in the file for these codes is 2006. 8 of the 22 were assigned in 2020 or later.

Prefixes assigned in Leander, TX
Area codePrefixes (NXX)
512259, 260, 325, 337, 379, 456, 528, 616, 690, 817, 881, 986
737287, 298, 323, 324, 379, 432, 757, 766, 777, 843

Source: NANPA utilized central office code file.

When Leander's exchanges were assigned

The table groups Leander's exchanges by the decade NANPA recorded them as assigned.

Leander, TX: exchanges by decade assigned
Decade assignedExchangesShare
2000s17.1%
2010s536%
2020s857%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

How local numbers work in Leander

What a caller sees as "local" is the area code plus prefix. In Leander, those come from the LEANDER rate center, as recorded by NANPA.

If your business already has a Leander number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Who does business near Leander

Leander 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).

Selected industries in the Austin, TX metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants1,89444,56223.5
Offices of real estate agents and brokers1,8384,3392.4
Full-service restaurants1,75047,56027.2
Physician practices1,67922,44813.4
Management consulting firms1,5489,5366.2
Law offices1,5249,7716.4
Custom computer programming services firms1,46128,21619.3
Computer systems design services firms1,09510,1119.2

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

Business phone service in Leander

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 Leander 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.

Monthly list price for a 16-person team
Provider (plan)Pricing basisPer monthPer 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 Leander, TX?

Leander has exchanges in 512 and 737; 512 has the most.

How many phone companies have exchanges in Leander?

10, holding 22 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Leander 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 Leander?

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).