CallataGuidesGet a local business phone number in Diboll, TX
Diboll's area code, prefixes and carriers from NANPA records, and how to put a Diboll number in front of your customers.
- Area code
- 936
- Exchanges
- 4NANPA-assigned
- Carriers
- 4
- Population
- 5,108Census 2024 est.
What area code is Diboll, TX?
Diboll city is a Census place in Angelina County, Texas, with an estimated 5,108 residents in 2024. All 4 exchanges NANPA lists for its rate center are in area code 936. Diboll 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 code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 936 | 4 | 100% | 2000 | none | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Diboll exchanges by carrier
4 carriers hold the 4 exchanges assigned to Diboll's rate center. Onvoy, LLC - TX has the most, with 1. 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Onvoy, LLC - TX | 1 | 25% |
| Aerial Communications, INC. | 1 | 25% |
| Consolidated Communications of Texas Company | 1 | 25% |
| Fidium Enterprise Services, LLC | 1 | 25% |
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.
Diboll phone prefixes
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Diboll's rate center (DIBOLL). The earliest assignment date recorded in the file for these codes is 2021. 1 of the 4 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 936 | 308, 526, 829, 869 |
Source: NANPA utilized central office code file.
What makes a number local to Diboll
NANPA ties every exchange to a rate center. For Diboll that is DIBOLL, so a number from one of these exchanges reads as local to people in and around Diboll.
Keeping an existing Diboll number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 936 when you pick it.
Businesses around Diboll
Diboll is part of the Lufkin, TX micropolitan area, home to 88,094 people in 2024. County Business Patterns counted 1,920 business establishments in the Lufkin, TX micropolitan area in 2023, employing 29,172 people. The largest sectors by establishment count are health care and social assistance (311), retail trade (310), and other services (except public administration) (203).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Physician practices | 103 | 769 | 7.5 |
| Limited-service restaurants | 72 | 1,416 | 19.7 |
| Full-service restaurants | 44 | 1,102 | 25.0 |
| Law offices | 35 | 137 | 3.9 |
| Insurance agencies and brokerages | 31 | 183 | 5.9 |
| Plumbing, heating and air-conditioning contractors | 30 | 380 | 12.7 |
| Child day care services | 27 | 389 | 14.4 |
| Dental offices | 22 | 164 | 7.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Diboll
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 Diboll, 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 15-person team is the benchmark here, the rounded average establishment size in the Lufkin, TX micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $450.00 a month and Ooma Office Pro $374.25. On Callata the same 15 people cost $299.00 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 | $299.00 | $3,588.00 |
| Quo (Starter) | $19.00 per user | $285.00 | $3,420.00 |
| Nextiva (Core) | $23.00 per user | $345.00 | $4,140.00 |
| Ooma (Office Pro) | $24.95 per user | $374.25 | $4,491.00 |
| Dialpad (Standard) | $27.00 per user | $405.00 | $4,860.00 |
| RingCentral (RingEX Core) | $30.00 per user | $450.00 | $5,400.00 |
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 Diboll, TX?
936. All exchanges NANPA lists for Diboll are in 936.
How many phone companies have exchanges in Diboll?
4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Diboll 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 Diboll?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 15 users come to $299.00 a month. For comparison, 15 users on RingCentral RingEX Core list at $450.00 a month (checked September 28, 2026).