Area code 224 – Illinois
224 has served Illinois since 2002, split from 847. 595 of its 786 number blocks are allocated (76%). No carrier dominates: AT&T 25.5%, T-Mobile 23.2%, Verizon 15.5%. It shares its geography with overlay codes 847, so local calls take all ten digits. 667 FTC complaints named a 224 caller ID in the 33 days to 30 October 2026, putting it 149th of 422 codes with five or more complaints.
Who holds 224 number blocks
Share of the 595 assigned NXX blocks (75.7% of the 786 possible), across 28 carriers. This is share of number blocks, not of subscribers.
- AT&T25.5%
- T-Mobile25%
- Verizon15.5%
- Onvoy11.3%
- Other CLEC / VoIP10.3%
- Lumen4%
- Bandwidth2.9%
- Comcast2.7%
- Windstream1%
- Charter0.8%
- Peerless0.5%
- Vonage0.2%
- Telnyx0.2%
- Dish0.2%
Spam complaints naming 224
FTC Do Not Call complaints where the caller ID was a 224 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 224
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 41.
Timeline
- 2002 224 goes into service, split from or overlaid on 847.
More about 224
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 224
What state is area code 224?
Illinois. It covers the same area as 224/847.
Is a call from 224 a scam?
Not by itself. 224 drew 667 FTC complaints in the 33 days to 30 October 2026, 149th 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 224 numbers?
AT&T holds the largest share of assigned number blocks at 25.5%. 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 224?
NANPA records the local dialing plan for 224 as “1+10D”.
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 dialing note for this code: “1+10D”. Reviewed by the data desk. Spotted an error? Request a correction.