CallataGuides

Get a local business phone number in Cotulla, TX

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

Area code
830
Exchanges
5NANPA-assigned
Carriers
5
Population
3,661Census 2024 est.

Cotulla area codes

Cotulla city is a Census place in La Salle County, Texas, with an estimated 3,661 residents in 2024. All 5 exchanges NANPA lists for its rate center are in area code 830. Cotulla is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 830 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Cotulla, TX
Area codeExchanges hereShareIn service sinceOverlay withTime zone
8305100%1997noneCentral

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

Cotulla exchanges by carrier

5 carriers hold the 5 exchanges assigned to Cotulla's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 1. 5 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Cotulla can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Cotulla, TX
Carrier (NANPA operating company)ExchangesShare
New Cingular Wireless PCS, LLC - Il120%
Fractel, LLC120%
Level 3 Communications, LLC - TX120%
Onvoy, LLC - TX120%
Southwestern Bell120%

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.

Cotulla phone prefixes

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Cotulla. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 5 were assigned in 2020 or later.

Prefixes assigned in Cotulla, TX
Area codePrefixes (NXX)
830202, 348, 483, 698, 879

Source: NANPA utilized central office code file.

When Cotulla's exchanges were assigned

Assignment dates show when each block of Cotulla numbers was added to the local supply.

Cotulla, TX: exchanges by decade assigned
Decade assignedExchangesShare
2000s375%
2020s125%

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

What makes a number local to Cotulla

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

Keeping an existing Cotulla number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 830 when you pick it.

Businesses around Cotulla

Cotulla is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 670,878 business establishments in Texas in 2023, employing 12,012,629 people. The largest sectors by establishment count are retail trade (84,369), professional, scientific, and technical services (83,842), and health care and social assistance (80,576).

Selected industries in Texas, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants24,360545,40722.4
Physician practices21,500217,41310.1
Full-service restaurants20,819493,19723.7
Law offices13,83387,3636.3
Insurance agencies and brokerages12,21078,8856.5
Dental offices11,90286,3337.3
Offices of real estate agents and brokers11,40533,9893.0
Management consulting firms9,70580,4998.3

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

A Cotulla number on Callata

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 Cotulla, 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.

The comparison below uses 18 users, the rounded average establishment size in Texas. At list prices checked September 28, 2026, that is $449.10 a month on Ooma Office Pro and $540.00 on RingCentral RingEX Core. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.

Monthly list price for an 18-person team
Provider (plan)Pricing basisPer monthPer 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 Cotulla, TX?

830. All exchanges NANPA lists for Cotulla are in 830.

How many phone companies have exchanges in Cotulla?

5, holding 5 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Cotulla 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 Cotulla?

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).