CallataGuidesGet a local business phone number in Fairmont, WV
Fairmont's area codes, prefixes and carriers from NANPA records, and how to put a Fairmont number in front of your customers.
- Area code
- 304 / 681
- Exchanges
- 23NANPA-assigned
- Carriers
- 12
- Population
- 18,063Census 2024 est.
Fairmont area codes
With 18,063 residents in the Census 2024 estimate, Fairmont sits in Marion County, West Virginia. NANPA lists 23 exchanges for its rate center across 2 area codes; 304 has the most (12, 52%). 304 is part of an overlay with 681, so a new local number in Fairmont may carry any of those codes depending on which have numbers available. Fairmont is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 304 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in Fairmont
12 carriers hold the 23 exchanges assigned to Fairmont's rate center. Frontier West Virginia INC. has the most, with 5. 19 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Frontier West Virginia INC. | 5 | 22% |
| Aerial Communications, INC. | 5 | 22% |
| United States Cellular - WV | 2 | 8.7% |
| Cellco Partnership d/b/a Verizon Wireless - WV | 2 | 8.7% |
| New Cingular Wireless PCS, LLC - Il | 2 | 8.7% |
| Fibernet, LLC - WV | 1 | 4.3% |
| Gateway Telecom LLC d/b/a Stratuswave Comm LLC WV | 1 | 4.3% |
| Level 3 Communications, LLC - WV | 1 | 4.3% |
| Bandwidth.com CLEC, LLC - WV | 1 | 4.3% |
| Shentel Communications, LLC. - WV | 1 | 4.3% |
| TWC Ip Enabled Services, LLC | 1 | 4.3% |
| Onvoy, LLC - WV | 1 | 4.3% |
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 Fairmont
These are the central office codes NANPA records for Fairmont. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. 5 of the 23 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 304 | 333, 363, 365, 366, 367, 368, 502, 534, 612, 657, 694, 816 |
| 681 | 214, 332, 404, 443, 460, 489, 526, 530, 753, 758, 839 |
Source: NANPA utilized central office code file.
When Fairmont's exchanges were assigned
Assignment dates show when each block of Fairmont numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 2 | 17% |
| 2010s | 5 | 42% |
| 2020s | 5 | 42% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Fairmont
What a caller sees as "local" is the area code plus prefix. In Fairmont, those come from the FAIRMONT rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 304 numbers available change over time; porting an existing number is free.
The local business market
Fairmont is part of the Fairmont, WV micropolitan area, home to 55,649 people in 2024. County Business Patterns counted 1,114 business establishments in the Fairmont, WV micropolitan area in 2023, employing 14,249 people. The largest sectors by establishment count are retail trade (185), other services (except public administration) (156), and health care and social assistance (145).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 43 | 777 | 18.1 |
| Limited-service restaurants | 42 | 672 | 16.0 |
| Residential remodelers | 33 | 113 | 3.4 |
| Physician practices | 22 | 204 | 9.3 |
| Dental offices | 19 | 151 | 7.9 |
| Insurance agencies and brokerages | 18 | 82 | 4.6 |
| Plumbing, heating and air-conditioning contractors | 15 | 57 | 3.8 |
| General automotive repair shops | 15 | 41 | 2.7 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Fairmont business line
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.
If you already have a number in Fairmont, 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.
The comparison below uses 13 users, the rounded average establishment size in the Fairmont, WV micropolitan area. At list prices checked September 28, 2026, that is $324.35 a month on Ooma Office Pro and $390.00 on RingCentral RingEX Core. On Callata the same 13 people cost $259.00 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 | $259.00 | $3,108.00 |
| Quo (Starter) | $19.00 per user | $247.00 | $2,964.00 |
| Nextiva (Core) | $23.00 per user | $299.00 | $3,588.00 |
| Ooma (Office Pro) | $24.95 per user | $324.35 | $3,892.20 |
| Dialpad (Standard) | $27.00 per user | $351.00 | $4,212.00 |
| RingCentral (RingEX Core) | $30.00 per user | $390.00 | $4,680.00 |
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 Fairmont, WV?
Fairmont has exchanges in 304 and 681; 304 has the most.
How many phone companies have exchanges in Fairmont?
12, holding 23 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Fairmont 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 Fairmont?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 13 users come to $259.00 a month. For comparison, 13 users on RingCentral RingEX Core list at $390.00 a month (checked September 28, 2026).