Get a local business phone number in Denton, TX
Denton's area codes, prefixes and carriers from NANPA records, and how to put a Denton number in front of your customers.
- Area code
- 940 / 817
- Exchanges
- 81NANPA-assigned
- Carriers
- 20
- Population
- 165,998Census 2024 est.
What area code is Denton, TX?
Denton city is a Census place in Denton County, Texas, with an estimated 165,998 residents in 2024. NANPA lists 81 exchanges for its rate center across 2 area codes; 940 has the most (79, 98%). Denton is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 940 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Denton exchanges by carrier
20 carriers hold the 81 exchanges assigned to Denton's rate center. Frontier Southwest INC d/b/a Frontier Comm of Texas has the most, with 19. 53 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Denton can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Frontier Southwest INC d/b/a Frontier Comm of Texas | 19 | 23% |
| New Cingular Wireless PCS, LLC - Il | 17 | 21% |
| Grande Communications Networks, INC. - TX | 6 | 7.4% |
| T-mobile USA, INC. | 6 | 7.4% |
| Cellco Partnership d/b/a Verizon Wireless - TX | 4 | 4.9% |
| Level 3 Communications, LLC - TX | 4 | 4.9% |
| Charter Ip Enabled Services, LLC | 4 | 4.9% |
| Metropcs, INC. | 3 | 3.7% |
| Bandwidth.com CLEC, LLC - TX | 3 | 3.7% |
| Onvoy, LLC - TX | 3 | 3.7% |
| Mcimetro Access Transmission Services LLC | 2 | 2.5% |
| Fractel, LLC | 2 | 2.5% |
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.
Denton phone prefixes
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Denton. The earliest assignment date recorded in the file for these codes is 2001. 13 of the 81 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 817 | 403, 997 |
| 940 | 205, 206, 208, 218, 220, 222, 230, 231, 239, 243, 252, 268, 271, 272, 281, 287, 288, 293, 297, 299, 300, 304, 307, 312, 315, 320, 323, 331, 334, 349, 354, 364, 367, 368, 369, 377, 380, 381, 382, 383, 384, 387, 390, 391, 395, 407, 413, 435, 442, 453, 465, 483, 484, 493, 514, 535, 536, 565, 566, 591, 594, 595, 597, 600, 629, 703, 722, 735, 758, 765, 783, 800, 808, 827, 843, 891, 898, 977, 999 |
Source: NANPA utilized central office code file.
When Denton's exchanges were assigned
Assignment dates show when each block of Denton numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 5 | 14% |
| 2010s | 17 | 49% |
| 2020s | 13 | 37% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Denton
What a caller sees as "local" is the area code plus prefix. In Denton, those come from the DENTON rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 940 numbers available change over time; porting an existing number is free.
Businesses around Denton
Denton is part of the Dallas-Fort Worth-Arlington, TX metro area, home to 8.3 million people in 2024. County Business Patterns counted 189,739 business establishments in the Dallas, TX metro area in 2023, employing 3,594,749 people. The largest sectors by establishment count are professional, scientific, and technical services (27,552), health care and social assistance (23,741), and retail trade (21,680).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 7,167 | 152,830 | 21.3 |
| Physician practices | 6,620 | 59,835 | 9.0 |
| Full-service restaurants | 5,669 | 136,247 | 24.0 |
| Dental offices | 4,077 | 31,034 | 7.6 |
| Law offices | 3,969 | 28,213 | 7.1 |
| Offices of real estate agents and brokers | 3,666 | 14,417 | 3.9 |
| Insurance agencies and brokerages | 3,500 | 29,124 | 8.3 |
| Computer systems design services firms | 3,463 | 41,855 | 12.1 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Denton
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.
If you already have a number in Denton, 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Dallas, TX metro area, 19 users on RingCentral RingEX Core come to $570.00 a month and on Ooma Office Pro $474.05, at month-to-month list prices checked September 28, 2026. On Callata the same 19 people cost $379.00 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 | $379.00 | $4,548.00 |
| Quo (Starter) | $19.00 per user | $361.00 | $4,332.00 |
| Nextiva (Core) | $23.00 per user | $437.00 | $5,244.00 |
| Ooma (Office Pro) | $24.95 per user | $474.05 | $5,688.60 |
| Dialpad (Standard) | $27.00 per user | $513.00 | $6,156.00 |
| RingCentral (RingEX Core) | $30.00 per user | $570.00 | $6,840.00 |
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 Denton, TX?
Denton has exchanges in 940 and 817; 940 has the most.
How many phone companies have exchanges in Denton?
20, holding 81 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Denton 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 Denton?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 19 users come to $379.00 a month. For comparison, 19 users on RingCentral RingEX Core list at $570.00 a month (checked September 28, 2026).