Telephone Area Code 304: Location, History & Coverage

Introduction

Telephone Area Code 304 is one of the most recognizable telephone area codes in the United States because it has served the entire state of West Virginia since the early days of the North American Numbering Plan. Whether you’re receiving a call from Charleston, Huntington, Morgantown, or another part of the Mountain State, understanding this area code can help you identify where a call originates, recognize local businesses, and learn about the history of telephone numbering in America.

What Is Area Code 304?

Area code 304 is the original telephone area code assigned to the entire state of West Virginia. Unlike many states that are divided into several geographic area codes, West Virginia remained under a single code for decades because of its relatively small population.

Today, area code 304 continues to serve residents, businesses, government agencies, and organizations throughout the state. Since 2009, it has shared the same geographic territory with overlay area code 681, ensuring enough phone numbers are available for continued growth. (Wikipedia)

The History of Area Code 304

The history of this telephone code dates back to 1947, when the North American Numbering Plan (NANP) introduced the first nationwide telephone area codes.

Key historical milestones include:

Introduced in 1947 as one of the original North American area codes.
Assigned to cover the entire state of West Virginia.
Remained West Virginia’s only area code for more than 60 years.
Growing demand for mobile phones, fax lines, VoIP services, and additional telecommunications numbers eventually exhausted available number combinations.
In 2009, area code 681 was introduced as an overlay instead of splitting the state into different regions. (Wikipedia)

The overlay approach allowed existing customers to keep their phone numbers while new numbers could receive either 304 or 681.

Where Is Area Code 304 Located?

Area code 304 covers all of West Virginia.

Unlike many states where different regions have separate area codes, every county in West Virginia falls within the 304/681 numbering area.

Major cities include:

Charleston
Huntington
Morgantown
Wheeling
Parkersburg
Beckley
Martinsburg
Clarksburg
Bluefield
Fairmont

Because the coverage is statewide, businesses and residents across urban and rural communities may have a 304 telephone number. (westvirginia.phonenumbers.org)

Counties Covered

The numbering area reaches every county in West Virginia, including:

Kanawha County
Cabell County
Monongalia County
Raleigh County
Harrison County
Berkeley County
Ohio County
Wood County
Mercer County
Marion County

In total, the area code serves all 55 counties within the state. (ZIP-Codes.com)

Major Cities Using Area Code 304

Charleston

West Virginia’s capital and largest metropolitan area, Charleston is an important government, healthcare, and business center.

Huntington

Located along the Ohio River, Huntington is home to Marshall University and numerous healthcare facilities.

Morgantown

Known for West Virginia University, Morgantown is a major educational and technology hub.

Parkersburg

Parkersburg supports manufacturing, healthcare, and regional commerce along the Ohio River.

Wheeling

One of West Virginia’s oldest cities, Wheeling has a rich industrial history and remains an important regional center.

Time Zone

Area code 304 operates in the:

Eastern Time Zone (ET)

This means residents observe:

Eastern Standard Time (EST)
Eastern Daylight Time (EDT) during daylight saving time

This matches neighboring states such as Pennsylvania, Maryland, Virginia, and Ohio. (AllAreaCodes)

Why Was Area Code 681 Added?

For many decades, West Virginia required only one area code.

However, the rapid increase in:

Mobile phones
Business telephone systems
Internet-based phone services (VoIP)
Additional communication devices

caused available phone numbers to decline.

Instead of dividing West Virginia into separate numbering regions, regulators introduced 681 as an overlay.

This means:

Existing 304 numbers remained unchanged.
New numbers may receive either 304 or 681.
Ten-digit dialing became mandatory for local calls. (Wikipedia)

How Ten-Digit Dialing Works

If you’re calling within West Virginia today, you should dial:

Area Code + Seven-Digit Number

For example:

304-555-1234

681-555-1234

This ensures calls reach the correct destination because both area codes serve the same geographic area.

Is Area Code 304 a Toll-Free Number?

No.

Area code 304 is a geographic area code, meaning it identifies a specific location.

It should not be confused with toll-free prefixes such as:

Those prefixes allow callers to contact businesses without paying long-distance charges under traditional billing models. (westvirginia.phonenumbers.org)

Common Reasons You May Receive a Call from 304

A call displaying this area code could come from:

Family members
Friends
Government offices
Hospitals
Universities
Local businesses
Delivery companies
Customer service departments

Like any area code, scammers may also spoof local numbers. Seeing a familiar area code alone does not verify a caller’s identity, so use caution if an unexpected caller requests sensitive information.

Interesting Facts About Area Code 304

It is one of the original North American area codes established in 1947.
It served as West Virginia’s only area code for more than six decades.
Every county in West Virginia uses either 304 or the overlay 681.
Many West Virginians view “304” as a symbol of state pride and identity.
The area code remains widely recognized throughout the United States because of its long history. (Wikipedia)

How Businesses Benefit from a 304 Number

Local businesses often appreciate having a recognizable West Virginia phone number because it can:

Build trust with local customers
Reinforce regional identity
Improve customer confidence
Make contact information easier for residents to recognize
Support local branding efforts

Many virtual phone providers also allow companies to obtain West Virginia numbers for customer service operations.

Official Resource

For official information about North American telephone numbering, visit the North American Numbering Plan Administrator (NANPA):

https://www.nationalnanpa.com (Wikipedia)

FAQs

What state uses area code 304?

Area code 304 serves the entire state of West Virginia.

Is area code 304 still active?

Yes. It remains active today and shares statewide coverage with overlay area code 681.

Why do some West Virginia numbers use 681 instead of 304?

Area code 681 was added in 2009 to provide additional phone numbers after demand increased across the state.

Do I have to dial the area code for local calls?

Yes. Because 304 and 681 overlap geographically, ten-digit dialing is generally required for local calls.

Is a 304 phone number always from West Virginia?

Yes, legitimate 304 numbers are assigned within West Virginia. However, scammers can spoof caller ID, so the displayed area code should not be treated as proof of a caller’s identity.

Conclusion

Telephone Area Code 304 remains an important part of West Virginia’s telecommunications system, serving the entire state since 1947 while continuing to work alongside area code 681 to meet modern communication needs. Whether you’re identifying incoming calls, researching local businesses, or learning about telephone numbering history, understanding its location, history, and coverage provides valuable context about one of America’s longest-serving area codes.