Area code 580 – Oklahoma
580 has served Oklahoma since 1997, split from 405. 741 of its 786 number blocks are allocated – about 94% full. No carrier dominates: AT&T 33.5%, Other CLEC / VoIP 30.1%, T-Mobile 6.1%. NANPA has relief planning under way for this code, which means another overlay is coming. Spam complaints are comparatively rare: 366 in the 33 days to 30 October 2026, 266th of the 422 codes with five or more complaints. Numbers are spread across 255 rate centers, which is typical of a mostly rural code.
- State
- Oklahoma
- In service since
- 1997
- Time zone
- Central
- Shares area with
- No overlay
Who holds 580 number blocks
Share of the 741 assigned NXX blocks (94.3% of the 786 possible), across 51 carriers. This is share of number blocks, not of subscribers.
- Other CLEC / VoIP35.1%
- AT&T33.5%
- T-Mobile7.2%
- Onvoy5.9%
- Verizon5.9%
- Windstream5.3%
- Lumen3.8%
- Charter1.3%
- Bandwidth0.8%
- Telnyx0.4%
- Peerless0.4%
- Spok0.1%
- Dish0.1%
- Altice0.1%
Spam complaints naming 580
FTC Do Not Call complaints where the caller ID was a 580 number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are frequently spoofed, so these are complaints about the code, not calls proven to originate in it.
Rate centers in 580
NANPA allocates number blocks to rate centers and records their names abbreviated to ten characters, so these are NANPA's codes rather than place names – CHAMPAURBN is Champaign-Urbana, NWYRCYZN01 is a New York City zone. We show them unchanged instead of guessing at the full names. Showing the largest 5 of 255.
Timeline
- 1997 580 goes into service, split from or overlaid on 405.
- Announced NANPA records relief planning in progress: another overlay is being prepared.
More about 580
Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.
Frequently asked about 580
What state is area code 580?
Oklahoma.
Is a call from 580 a scam?
Not by itself. 580 drew 366 FTC complaints in the 33 days to 30 October 2026, 266th of 422 ranked codes – mid-pack or lower. Spam callers spoof caller IDs, so the only useful check is the full number.
Which carrier owns 580 numbers?
AT&T holds the largest share of assigned number blocks at 33.5%. The rest is spread across 3 other carriers. This is share of number blocks, not of subscribers – people keep their numbers when they switch carriers.
Do I need to dial 10 digits in 580?
No. NANPA records 580 as 7-digit dialing for local calls.
Is a new area code coming to the 580 area?
Yes. NANPA lists relief planning as in progress for this code, which means a new overlay is being prepared. The new code has not been published yet.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
- NANPA – CO Code Assignment Records, All States (utilized), file updated 11/01/2026, retrieved Nov 1, 2026
- FTC – Do Not Call Reported Calls Data, 25 daily files 28 Sep – 30 Oct 2026, retrieved Nov 1, 2026
- NANPA – NPA relief planning letters, retrieved Nov 1, 2026
NANPA dialing note for this code: “7D”. Reviewed by the data desk. Spotted an error? Request a correction.