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Get a local business phone number in Elgin, TX

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

Area code
737 / 512
Exchanges
13NANPA-assigned
Carriers
8
Population
12,438Census 2024 est.

Elgin area codes

Elgin, in Bastrop County, Texas, had a Census-estimated population of 12,438 in July 2024. NANPA lists 13 exchanges for its rate center across 2 area codes; 737 has the most (9, 69%). 737 is part of an overlay with 512, so a new local number in Elgin may carry any of those codes depending on which have numbers available. Elgin 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.

Area codes with exchanges in Elgin, TX
Area codeExchanges hereShareIn service sinceOverlay withTime zone
737969%2013512Central
512431%1947737Central

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

Elgin exchanges by carrier

8 carriers hold the 13 exchanges assigned to Elgin's rate center. Onvoy, LLC - TX has the most, with 3. 13 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.

Carriers holding exchanges in Elgin, TX
Carrier (NANPA operating company)ExchangesShare
Onvoy, LLC - TX323%
Southwestern Bell215%
Cellco Partnership d/b/a Verizon Wireless - TX215%
T-mobile USA, INC.215%
U.s. Telepacific Corp. d/b/a TPX Communications17.7%
Ip Horizon LLC17.7%
Foremost Telecommunications Corporation - TX17.7%
Fractel, LLC17.7%

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 Elgin

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Elgin's rate center (ELGIN). The earliest assignment date recorded in the file for these codes is 2013. 5 of the 13 were assigned in 2020 or later.

Prefixes assigned in Elgin, TX
Area codePrefixes (NXX)
512229, 281, 285, 661
737200, 232, 233, 321, 338, 385, 416, 666, 786

Source: NANPA utilized central office code file.

When Elgin's exchanges were assigned

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

Elgin, TX: exchanges by decade assigned
Decade assignedExchangesShare
2010s444%
2020s556%

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

What makes a number local to Elgin

NANPA ties every exchange to a rate center. For Elgin that is ELGIN, so a number from one of these exchanges reads as local to people in and around Elgin.

Keeping an existing Elgin number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 737 when you pick it.

The local business market

Elgin 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 Elgin

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 Elgin 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.

A 16-person team is the benchmark here, the rounded average establishment size in the Austin, TX metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $480.00 a month and Ooma Office Pro $399.20. 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 Elgin, TX?

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

How many phone companies have exchanges in Elgin?

8, holding 13 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Elgin 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 Elgin?

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).