CallataGuidesGet a local business phone number in Mount Vernon, KY
Mount Vernon's area code, prefixes and carriers from NANPA records, and how to put a Mount Vernon number in front of your customers.
- Area code
- 606
- Exchanges
- 6NANPA-assigned
- Carriers
- 4
- Population
- 2,458Census 2024 est.
Area codes in Mount Vernon
With 2,458 residents in the Census 2024 estimate, Mount Vernon sits in Rockcastle County, Kentucky. All 6 exchanges NANPA lists for its rate center are in area code 606. Mount Vernon is in the Eastern and Central time zone.
According to NANPA's dialing-plan data, local calls within 606 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 |
|---|---|---|---|---|---|
| 606 | 6 | 100% | 1955 | none | Eastern and Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Mount Vernon
4 carriers hold the 6 exchanges assigned to Mount Vernon's rate center. Cellco Partnership d/b/a Verizon Wireless - KY has the most, with 2. 5 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Mount Vernon can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Cellco Partnership d/b/a Verizon Wireless - KY | 2 | 33% |
| Level 3 Communications, LLC - KY | 2 | 33% |
| Windstream Kentucky East, INC. - London | 1 | 17% |
| Onvoy, LLC - KY | 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.
Local prefixes for Mount Vernon
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Mount Vernon. The earliest assignment date recorded in the file for these codes is 2002. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 606 | 256, 308, 386, 392, 655, 764 |
Source: NANPA utilized central office code file.
What makes a number local to Mount Vernon
NANPA ties every exchange to a rate center. For Mount Vernon that is MT VERNON, so a number from one of these exchanges reads as local to people in and around Mount Vernon.
Keeping an existing Mount Vernon number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 606 when you pick it.
The local business market
Mount Vernon is part of the Richmond-Berea, KY micropolitan area, home to 130,000 people in 2024. County Business Patterns counted 2,196 business establishments in the Richmond, KY micropolitan area in 2023, employing 30,383 people. The largest sectors by establishment count are retail trade (375), health care and social assistance (351), and other services (except public administration) (225).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 88 | 2,298 | 26.1 |
| Full-service restaurants | 64 | 1,321 | 20.6 |
| Physician practices | 62 | 783 | 12.6 |
| Plumbing, heating and air-conditioning contractors | 46 | 425 | 9.2 |
| Offices of real estate agents and brokers | 42 | 94 | 2.2 |
| Insurance agencies and brokerages | 39 | 134 | 3.4 |
| Agencies providing services for the elderly and persons with disabilities | 38 | 342 | 9.0 |
| Dental offices | 35 | 202 | 5.8 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Mount Vernon
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 Mount Vernon 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 14 users, the rounded average establishment size in the Richmond, KY micropolitan area. At list prices checked September 28, 2026, that is $349.30 a month on Ooma Office Pro and $420.00 on RingCentral RingEX Core. Callata comes to $279.00 a month for 14 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 | $279.00 | $3,348.00 |
| Quo (Starter) | $19.00 per user | $266.00 | $3,192.00 |
| Nextiva (Core) | $23.00 per user | $322.00 | $3,864.00 |
| Ooma (Office Pro) | $24.95 per user | $349.30 | $4,191.60 |
| Dialpad (Standard) | $27.00 per user | $378.00 | $4,536.00 |
| RingCentral (RingEX Core) | $30.00 per user | $420.00 | $5,040.00 |
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 Mount Vernon, KY?
606. All exchanges NANPA lists for Mount Vernon are in 606.
How many phone companies have exchanges in Mount Vernon?
4, holding 6 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Mount Vernon 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 Mount Vernon?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).