580 area code
Where the 580 area code is, its overlay and how to dial a +1 580 number from anywhere.
The 580 area code is in Altus, Oklahoma, United States (Central (CT)). To call from abroad: +1 580 555-0123.
The 580 area code is a geographic North American Numbering Plan (NANP) code covering Altus, Oklahoma. It has been in service since 11-Sep-1997 and sits in the Central (CT) time zone.
How to dial a 580 number
+1 580 555-01231 580 555-0123Cities in the 580 area code
A 580 number is usually in one of these places in Oklahoma — 6 counties.
Other Oklahoma area codes
Frequently asked questions
Where is the 580 area code?
The 580 area code is in Altus, Oklahoma, United States (Central (CT)).
Do I have to dial 10 digits for 580?
Local calls within 580 may use seven digits; ten-digit dialling always works.
How do I call a 580 number from another country?
Dial your exit code (or +), then 1, then 580, then the number: +1 580 555-0123.
Source: NANPA numbering plan. An area code covers a region, not a precise address — a 580 number does not pinpoint a street or ZIP code.
Number holders in area code 580
Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 762 prefixes are in use in 580, shared by 53 companies. The largest holders:
| Company | Prefixes | Share |
|---|---|---|
| Southwestern Bell | 157 | 21% |
| New Cingular Wireless PCS, LLC | 78 | 10% |
| Pioneer Tel. Coop., Inc. | 64 | 8% |
| T-Mobile USA, Inc. | 45 | 6% |
| Onvoy, LLC | 43 | 6% |
| Cellco Partnership Dba Verizon Wireless | 40 | 5% |
Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.
Complaints about 580 numbers
- Reports to the FTC, last 30 days
- 328
- Recorded messages or robocalls
- 71%
- Rank among area codes
- #274 of 670
- Most reported subjects
- Other (155)
- Reducing your debt (credit cards, mortgage, student loans) (63)
- Calls pretending to be government, businesses, or family and friends (41)
Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.
Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).
All US area codes United States +1 Map of area code 580 — cities & rate centres