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Get a local business phone number in Alto, TX

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

Area code
936
Exchanges
3NANPA-assigned
Carriers
2
Population
1,064Census 2024 est.

Alto area codes

Alto, in Cherokee County, Texas, had a Census-estimated population of 1,064 in July 2024. All 3 exchanges NANPA lists for its rate center are in area code 936. Alto is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 936 are dialed as seven digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Alto, TX
Area codeExchanges hereShareIn service sinceOverlay withTime zone
9363100%2000noneCentral

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

Phone carriers in Alto

2 carriers hold the 3 exchanges assigned to Alto's rate center. Consolidated Communications of Texas Company has the most, with 2. 3 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Carriers holding exchanges in Alto, TX
Carrier (NANPA operating company)ExchangesShare
Consolidated Communications of Texas Company267%
Fractel, LLC133%

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 Alto

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Alto's rate center (ALTO). The earliest assignment date recorded in the file for these codes is 2020. 1 of the 3 were assigned in 2020 or later.

Prefixes assigned in Alto, TX
Area codePrefixes (NXX)
936858, 877, 879

Source: NANPA utilized central office code file.

How local numbers work in Alto

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Alto's numbers are rated to the ALTO rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Alto number.

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

The local business market

Alto is part of the Jacksonville, TX micropolitan area, home to 53,223 people in 2024. County Business Patterns counted 840 business establishments in the Jacksonville, TX micropolitan area in 2023, employing 11,002 people. The largest sectors by establishment count are retail trade (126), other services (except public administration) (88), and professional, scientific, and technical services (81).

Selected industries in the Jacksonville, TX micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants2871225.4
Full-service restaurants2427211.3
Physician practices2033116.6
Insurance agencies and brokerages17834.9
Management consulting firms14201.4
Landscaping services14372.6
Law offices13——
Plumbing, heating and air-conditioning contractors1214712.3

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

Setting up a Alto business line

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

If you already have a number in Alto, 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.

A 13-person team is the benchmark here, the rounded average establishment size in the Jacksonville, TX micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $390.00 a month and Ooma Office Pro $324.35. On Callata the same 13 people cost $259.00 a month, less than either per-seat plan.

Monthly list price for a 13-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$259.00$3,108.00
Quo (Starter)$19.00 per user$247.00$2,964.00
Nextiva (Core)$23.00 per user$299.00$3,588.00
Ooma (Office Pro)$24.95 per user$324.35$3,892.20
Dialpad (Standard)$27.00 per user$351.00$4,212.00
RingCentral (RingEX Core)$30.00 per user$390.00$4,680.00

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 Alto, TX?

936. All exchanges NANPA lists for Alto are in 936.

How many phone companies have exchanges in Alto?

2, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Alto 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 Alto?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 13 users come to $259.00 a month. For comparison, 13 users on RingCentral RingEX Core list at $390.00 a month (checked September 28, 2026).