---
title: "Area code 580: Oklahoma, United States"
url: "https://lookvalid.com/area-code/580.md"
canonical_url: "https://lookvalid.com/area-code/580"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 580 serves Oklahoma, United States. Number formats, numbering rules, a live phone validator and the other codes in Oklahoma."
---

# Area code 580: Oklahoma, United States

Area code 580 serves Oklahoma, United States. Number formats, numbering rules, a live phone validator and the other codes in Oklahoma.

NANPA lists 739 central office codes (prefixes) in use in area code 580, held by 51 holders across 255 rate centers.
Southwestern Bell holds the most prefixes, 154 (21%). 68% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 1,186 complaints on file for 937 numbers in 580, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1997-11-01
- Time zone: Central (C)
- Prefixes in use: 739
- Pooled prefixes: 499 (68%)
- Rate centers: 255
- Companies holding prefixes: 51
- Assignment dates on file: 2001-01-21 to 2026-08-24 (282 prefixes)
- ZIP codes in its places: 234

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| LAWTON | 46 | 6% |
| ENID | 28 | 4% |
| ARDMORE | 22 | 3% |
| ADA | 21 | 3% |
| DURANT | 17 | 2% |
| PONCA CITY | 16 | 2% |
| DUNCAN | 15 | 2% |
| ALTUS | 14 | 2% |
| 247 other rate centers | 560 | 76% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Southwestern Bell | 154 | 21% |
| New Cingular Wireless PCS | 77 | 10% |
| Pioneer Tel. Coop. | 64 | 9% |
| T-Mobile USA | 45 | 6% |
| Onvoy | 43 | 6% |
| Verizon Wireless | 40 | 5% |
| 45 other carriers | 316 | 43% |

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 405, named as the parent of 580 in the NANPA report, was in service.
- 1997-11-01: Area code 580 went into service.

## Nearest area codes

The area codes closest to 580, measured between the centers of the ZIP code places they serve, are 405 (about 41 miles), 572 (about 45 miles), 940 (about 134 miles), 539 (about 143 miles) and 918 (about 144 miles).

## ZIP codes

234 ZIP codes fall in places that have a rate center in this area code. The places with the most are Enid, OK (5 ZIP codes), Lawton, OK (5 ZIP codes) and Ardmore, OK (3 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

1,186 complaints for 937 numbers. Numbers whose latest complaint falls in each year:

- 2023: 66
- 2024: 71
- 2025: 55

## Questions

### Where is area code 580?

NANPA assigns area code 580 to Oklahoma, United States.

### In which state does area code 580 sit?

Oklahoma. 580 is one of 5 area codes the NANPA table assigns to the state.

### Which places does area code 580 cover?

The places with the most ZIP codes among the rate centers in 580 are Enid, OK, Lawton, OK and Ardmore, OK. The rate center list on this page shows all of them.

### Who owns area code 580?

NANPA assigns area codes. Within 580, Southwestern Bell holds the most prefixes, 154 prefixes or 21%.

### Which time zone does 580 use?

The NANPA NPA report lists the time zone for 580 as Central (C).

### What year did 580 enter service?

The NANPA NPA report gives an in-service date of 1997-11-01, so 580 has been in use since 1997.

### Does area code 580 have an overlay?

The NANPA NPA report lists no other area code in an overlay with 580.

### Which area codes are nearest to 580?

The area codes closest to 580, measured between the centers of the ZIP code places they serve, are 405 (about 41 miles), 572 (about 45 miles), 940 (about 134 miles), 539 (about 143 miles) and 918 (about 144 miles).

### How many prefixes does area code 580 have?

NANPA's report dated 2026-10-17 lists 739 prefixes in service in 580, spread over 255 rate centers and 51 holders.

### Are there complaints about 580 numbers?

The FCC data on file has 1,186 complaints for 937 numbers in 580. 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).