---
title: "Area code 380: Ohio, United States"
url: "https://lookvalid.com/area-code/380.md"
canonical_url: "https://lookvalid.com/area-code/380"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 380 serves Ohio, United States. Number formats, numbering rules, a live phone validator and the other codes in Ohio."
---

# Area code 380: Ohio, United States

Area code 380 serves Ohio, United States. Number formats, numbering rules, a live phone validator and the other codes in Ohio.

NANPA lists 135 central office codes (prefixes) in use in area code 380, held by 34 holders across 16 rate centers.
The largest rate center is COLUMBUS, with 56 prefixes (41%).
Onvoy holds the most prefixes, 41 (30%). 100% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 371 complaints on file for 340 numbers in 380, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 2016-02-27
- Time zone: Eastern (E)
- Assigned overlays: 614 (1947-01-01)
- Prefixes in use: 135
- Pooled prefixes: 135 (100%)
- Rate centers: 16
- Companies holding prefixes: 34
- Assignment dates on file: 2016-04-07 to 2026-07-20 (124 prefixes)
- ZIP codes in its places: 57

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| COLUMBUS | 56 | 41% |
| REYNOLDSBG | 12 | 9% |
| DUBLIN | 11 | 8% |
| WESTERVL | 9 | 7% |
| GAHANNA | 6 | 4% |
| ALTON | 5 | 4% |
| HILLIARD | 5 | 4% |
| NEW ALBANY | 5 | 4% |
| 8 other rate centers | 26 | 19% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Onvoy | 41 | 30% |
| Teleport Communications America | 13 | 10% |
| New Cingular Wireless PCS | 10 | 7% |
| Fractel | 9 | 7% |
| Aerial Communications | 8 | 6% |
| Bandwidth.com CLEC | 7 | 5% |
| 28 other carriers | 47 | 35% |

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 614, named as the parent of 380 in the NANPA report, was in service.
- 2016-02-27: Area code 380 went into service.

## Nearest area codes

The area codes closest to 380, measured between the centers of the ZIP code places they serve, are 220 (about 40 miles), 740 (about 47 miles), 326 (about 59 miles), 937 (about 59 miles) and 567 (about 86 miles).

## ZIP codes

57 ZIP codes fall in places that have a rate center in this area code. The places with the most are Columbus, OH (45 ZIP codes), Groveport, OH (3 ZIP codes) and Dublin, OH (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

371 complaints for 340 numbers. Numbers whose latest complaint falls in each year:

- 2023: 42
- 2024: 55
- 2025: 45

## Questions

### Where is area code 380?

NANPA assigns area code 380 to Ohio, United States.

### In which state does area code 380 sit?

Ohio. 380 is one of 15 area codes the NANPA table assigns to the state.

### Which places does area code 380 cover?

The places with the most ZIP codes among the rate centers in 380 are Columbus, OH, Groveport, OH and Dublin, OH. The rate center list on this page shows all of them.

### Who owns area code 380?

NANPA assigns area codes. Within 380, Onvoy holds the most prefixes, 41 prefixes or 30%.

### Which time zone does 380 use?

The NANPA NPA report lists the time zone for 380 as Eastern (E).

### What year did 380 enter service?

The NANPA NPA report gives an in-service date of 2016-02-27, so 380 has been in use since 2016.

### Does area code 380 have an overlay?

Yes. 614 (in service 1947-01-01) shares the same area with 380, so numbers from all of them are local to each other.

### Which area codes are nearest to 380?

The area codes closest to 380, measured between the centers of the ZIP code places they serve, are 220 (about 40 miles), 740 (about 47 miles), 326 (about 59 miles), 937 (about 59 miles) and 567 (about 86 miles).

### How many prefixes does area code 380 have?

NANPA's report dated 2026-10-17 lists 135 prefixes in service in 380, spread over 16 rate centers and 34 holders.

### Are there complaints about 380 numbers?

The FCC data on file has 371 complaints for 340 numbers in 380. 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).