---
title: "Area code 304: West Virginia, United States"
url: "https://lookvalid.com/area-code/304.md"
canonical_url: "https://lookvalid.com/area-code/304"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 304 serves West Virginia, United States. Number formats, numbering rules, a live phone validator and the other codes in West Virginia."
---

# Area code 304: West Virginia, United States

Area code 304 serves West Virginia, United States. Number formats, numbering rules, a live phone validator and the other codes in West Virginia.

NANPA lists 785 central office codes (prefixes) in use in area code 304, held by 45 holders across 228 rate centers.
Frontier West Virginia holds the most prefixes, 255 (32%). 65% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 3,905 complaints on file for 2,890 numbers in 304, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1947-01-01
- Time zone: Eastern (E)
- Assigned overlays: 681 (2009-03-28)
- Prefixes in use: 785
- Pooled prefixes: 507 (65%)
- Rate centers: 228
- Companies holding prefixes: 45
- Assignment dates on file: 2001-01-10 to 2026-01-08 (176 prefixes)
- ZIP codes in its places: 169

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| CHRLSTNZN1 | 70 | 9% |
| HNTNGTNZN1 | 37 | 5% |
| MORGANTOWN | 33 | 4% |
| CLARKSBURG | 27 | 3% |
| BECKLEY | 25 | 3% |
| PRKRSBGZN1 | 25 | 3% |
| WHELNGZON1 | 24 | 3% |
| MARTINSBG | 21 | 3% |
| 220 other rate centers | 523 | 67% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Frontier West Virginia | 255 | 32% |
| Frontier Of WV | 86 | 11% |
| New Cingular Wireless PCS | 72 | 9% |
| Stratuswave Comm LLC WV | 47 | 6% |
| Fibernet | 43 | 5% |
| Verizon Wireless | 42 | 5% |
| 39 other carriers | 240 | 31% |

A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company.

## History

- 1947-01-01: Area code 304 went into service.
- 2009-03-28: Area code 681 went into service as an overlay in the same area as 304.

## Nearest area codes

The area codes closest to 304, measured between the centers of the ZIP code places they serve, are 540 (about 95 miles), 826 (about 97 miles), 740 (about 110 miles), 220 (about 114 miles) and 276 (about 133 miles).

## ZIP codes

169 ZIP codes fall in places that have a rate center in this area code. The places with the most are Morgantown, WV (7 ZIP codes), Clarksburg, WV (3 ZIP codes) and Beckley, WV (2 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes.

## Complaints on file

3,905 complaints for 2,890 numbers. Numbers whose latest complaint falls in each year:

- 2023: 104
- 2024: 364
- 2025: 134

## Questions

### Where is area code 304?

NANPA assigns area code 304 to West Virginia, United States.

### In which state does area code 304 sit?

West Virginia. 304 is one of 2 area codes the NANPA table assigns to the state.

### Which places does area code 304 cover?

The places with the most ZIP codes among the rate centers in 304 are Morgantown, WV, Clarksburg, WV and Beckley, WV. The rate center list on this page shows all of them.

### Who owns area code 304?

NANPA assigns area codes. Within 304, Frontier West Virginia holds the most prefixes, 255 prefixes or 32%.

### Which time zone does 304 use?

The NANPA NPA report lists the time zone for 304 as Eastern (E).

### What year did 304 enter service?

The NANPA NPA report gives an in-service date of 1947-01-01, so 304 has been in use since 1947.

### Does area code 304 have an overlay?

Yes. 681 (in service 2009-03-28) shares the same area with 304, so numbers from all of them are local to each other.

### Which area codes are nearest to 304?

The area codes closest to 304, measured between the centers of the ZIP code places they serve, are 540 (about 95 miles), 826 (about 97 miles), 740 (about 110 miles), 220 (about 114 miles) and 276 (about 133 miles).

### How many prefixes does area code 304 have?

NANPA's report dated 2026-10-17 lists 785 prefixes in service in 304, spread over 228 rate centers and 45 holders.

### Are there complaints about 304 numbers?

The FCC data on file has 3,905 complaints for 2,890 numbers in 304. They are unverified consumer reports. A number with no complaints on file is not proven safe.

Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).