CallataGuidesGet a local business phone number in Dover, TN
Dover's area code, prefixes and carriers from NANPA records, and how to put a Dover number in front of your customers.
- Area code
- 931
- Exchanges
- 6NANPA-assigned
- Carriers
- 6
- Population
- 1,893Census 2024 est.
Dover area codes
Dover city is a Census place in Stewart County, Tennessee, with an estimated 1,893 residents in 2024. All 6 exchanges NANPA lists for its rate center are in area code 931. Dover is in the Eastern and Central time zone.
According to NANPA's dialing-plan data, local calls within 931 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 |
|---|---|---|---|---|---|
| 931 | 6 | 100% | 1997 | none | Eastern and Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Dover exchanges by carrier
6 carriers hold the 6 exchanges assigned to Dover's rate center. Bellsouth Telecomm INC d/b/a South Central Bell Tel 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 Dover can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Bellsouth Telecomm INC d/b/a South Central Bell Tel | 1 | 17% |
| Cellco Partnership d/b/a Verizon Wireless - TN | 1 | 17% |
| Ton80 Communications, LLC | 1 | 17% |
| Level 3 Communications, LLC - TN | 1 | 17% |
| New Cingular Wireless PCS, LLC - Ga | 1 | 17% |
| Paetec Itel, LLC | 1 | 17% |
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 Dover
These are the central office codes NANPA records for Dover. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2003. 1 of the 6 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 931 | 232, 305, 426, 534, 627, 634 |
Source: NANPA utilized central office code file.
When Dover's exchanges were assigned
The table groups Dover's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 50% |
| 2020s | 1 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Dover
What a caller sees as "local" is the area code plus prefix. In Dover, those come from the DOVER rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 931 numbers available change over time; porting an existing number is free.
The local business market
Dover is part of the Clarksville, TN-KY metro area, home to 346,000 people in 2024. County Business Patterns counted 5,129 business establishments in the Clarksville, TN-KY metro area in 2023, employing 82,188 people. The largest sectors by establishment count are retail trade (923), accommodation and food services (642), and health care and social assistance (625).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 250 | 5,901 | 23.6 |
| Full-service restaurants | 214 | 4,453 | 20.8 |
| Physician practices | 123 | 1,318 | 10.7 |
| Plumbing, heating and air-conditioning contractors | 85 | 695 | 8.2 |
| Child day care services | 80 | 1,129 | 14.1 |
| Dental offices | 75 | 821 | 10.9 |
| Offices of real estate agents and brokers | 73 | 216 | 3.0 |
| Insurance agencies and brokerages | 65 | 295 | 4.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Dover
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
Porting a number you already use in Dover 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.
A 16-person team is the benchmark here, the rounded average establishment size in the Clarksville, TN-KY metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $480.00 a month and Ooma Office Pro $399.20. Callata comes to $319.00 a month for 16 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 | $319.00 | $3,828.00 |
| Quo (Starter) | $19.00 per user | $304.00 | $3,648.00 |
| Nextiva (Core) | $23.00 per user | $368.00 | $4,416.00 |
| Ooma (Office Pro) | $24.95 per user | $399.20 | $4,790.40 |
| Dialpad (Standard) | $27.00 per user | $432.00 | $5,184.00 |
| RingCentral (RingEX Core) | $30.00 per user | $480.00 | $5,760.00 |
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 Dover, TN?
931. All exchanges NANPA lists for Dover are in 931.
How many phone companies have exchanges in Dover?
6, holding 6 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Dover 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 Dover?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 16 users come to $319.00 a month. For comparison, 16 users on RingCentral RingEX Core list at $480.00 a month (checked September 28, 2026).