CallataGuidesGet a local business phone number in Williamstown, WV
Williamstown's area codes, prefixes and carriers from NANPA records, and how to put a Williamstown number in front of your customers.
- Area code
- 304 / 681
- Exchanges
- 4NANPA-assigned
- Carriers
- 4
- Population
- 2,951Census 2024 est.
Area codes in Williamstown
Williamstown, in Wood County, West Virginia, had a Census-estimated population of 2,951 in July 2024. NANPA lists 4 exchanges for its rate center across 2 area codes; 304 has the most (3, 75%). 304 is part of an overlay with 681, so a new local number in Williamstown may carry any of those codes depending on which have numbers available. Williamstown 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 Williamstown
4 carriers hold the 4 exchanges assigned to Williamstown's rate center. T-mobile USA, INC. has the most, with 1. 4 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 |
|---|---|---|
| T-mobile USA, INC. | 1 | 25% |
| Frontier West Virginia INC. | 1 | 25% |
| CSC Voice, LLC | 1 | 25% |
| Level 3 Communications, LLC - WV | 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.
Exchanges (NPA-NXX) assigned in Williamstown
These are the central office codes NANPA records for Williamstown. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2023. 1 of the 4 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 304 | 200, 375, 850 |
| 681 | 449 |
Source: NANPA utilized central office code file.
How local numbers work in Williamstown
What a caller sees as "local" is the area code plus prefix. In Williamstown, those come from the WILLIAMSTN rate center, as recorded by NANPA.
Keeping an existing Williamstown number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 304 when you pick it.
The local business market
Williamstown is part of the Parkersburg-Vienna, WV metro area, home to 87,681 people in 2024. County Business Patterns counted 1,953 business establishments in the Parkersburg, WV metro area in 2023, employing 30,258 people. The largest sectors by establishment count are retail trade (345), health care and social assistance (300), and other services (except public administration) (256).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 79 | 1,853 | 23.5 |
| Full-service restaurants | 66 | 1,739 | 26.3 |
| Physician practices | 64 | 718 | 11.2 |
| Law offices | 37 | 311 | 8.4 |
| Insurance agencies and brokerages | 37 | 120 | 3.2 |
| Dental offices | 25 | 256 | 10.2 |
| Child day care services | 24 | 172 | 7.2 |
| Beauty salons | 23 | 119 | 5.2 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Williamstown
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 Williamstown, 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Parkersburg, WV metro area, 15 users on RingCentral RingEX Core come to $450.00 a month and on Ooma Office Pro $374.25, at month-to-month list prices checked September 28, 2026. 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 Williamstown, WV?
Williamstown has exchanges in 304 and 681; 304 has the most.
How many phone companies have exchanges in Williamstown?
4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Williamstown 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 Williamstown?
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).