CallataGuidesGet a local business phone number in Lake Dallas, TX
Lake Dallas's area code, prefixes and carriers from NANPA records, and how to put a Lake Dallas number in front of your customers.
- Area code
- 940
- Exchanges
- 11NANPA-assigned
- Carriers
- 6
- Population
- 7,915Census 2024 est.
Lake Dallas area codes
Lake Dallas city is a Census place in Denton County, Texas, with an estimated 7,915 residents in 2024. All 11 exchanges NANPA lists for its rate center are in area code 940. Lake Dallas 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.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 940 | 11 | 100% | 1997 | none | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Lake Dallas exchanges by carrier
6 carriers hold the 11 exchanges assigned to Lake Dallas's rate center. Grande Communications Networks, INC. - TX has the most, with 3. 7 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Lake Dallas can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Grande Communications Networks, INC. - TX | 3 | 27% |
| Brightspeed of Northern Texas, INC. | 3 | 27% |
| T-mobile USA, INC. | 2 | 18% |
| Charter Ip Enabled Services, LLC | 1 | 9.1% |
| Metropcs, INC. | 1 | 9.1% |
| Fractel, LLC | 1 | 9.1% |
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 Lake Dallas
These are the central office codes NANPA records for Lake Dallas. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2010. 4 of the 11 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 940 | 269, 270, 279, 321, 326, 344, 363, 418, 497, 498, 900 |
Source: NANPA utilized central office code file.
When Lake Dallas's exchanges were assigned
The table groups Lake Dallas's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 1 | 20% |
| 2020s | 4 | 80% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Lake Dallas
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Lake Dallas's numbers are rated to the LAKEDALLAS rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Lake Dallas number.
If your business already has a Lake Dallas number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Businesses around Lake Dallas
Lake Dallas 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.
A Lake Dallas 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.
Porting a number you already use in Lake Dallas 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.
The comparison below uses 19 users, the rounded average establishment size in the Dallas, TX metro area. At list prices checked September 28, 2026, that is $474.05 a month on Ooma Office Pro and $570.00 on RingCentral RingEX Core. Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.
| 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 Lake Dallas, TX?
940. All exchanges NANPA lists for Lake Dallas are in 940.
How many phone companies have exchanges in Lake Dallas?
6, holding 11 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Lake Dallas 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 Lake Dallas?
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).