Area code 217 – Illinois
217 is one of the original area codes, in service across Illinois since 1947. All but a handful of its 786 number blocks are allocated (786 of 786), so it is effectively exhausted. No carrier dominates: AT&T 27.9%, Frontier 24.0%, Other CLEC / VoIP 15.5%. It shares its geography with overlay codes 447, so local calls take all ten digits. It is also among the most imitated codes in spam calls: 2,562 FTC complaints named a 217 caller ID in the 33 days to 30 October 2026, ranking 1st of 422 ranked codes. The dominant complaint type is “Reducing your debt (credit cards, mortgage, student loans)”. Numbers are spread across 265 rate centers, which is typical of a mostly rural code.
Who holds 217 number blocks
Share of the 786 assigned NXX blocks (100% of the 786 possible), across 52 carriers. This is share of number blocks, not of subscribers.
- AT&T27.9%
- Frontier24%
- Other CLEC / VoIP12.6%
- Lumen7.6%
- Verizon7.6%
- Consolidated5.7%
- T-Mobile5.7%
- Onvoy2.5%
- Comcast1.4%
- Windstream1.3%
- Peerless1%
- Telnyx1%
- Charter0.5%
- Vonage0.5%
- American Messaging0.4%
- Bandwidth0.1%
Spam complaints naming 217
FTC Do Not Call complaints where the caller ID was a 217 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 217
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 265.
Timeline
- 1947 217 assigned in the original North American Numbering Plan.
More about 217
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 217
What state is area code 217?
Illinois. It covers the same area as 217/447.
Can I still get a 217 number?
Only from recycled stock. 786 of the 786 available blocks are already allocated, so new numbers in the area normally come from the overlay codes (217/447).
Is a call from 217 a scam?
217 is one of the most complained-about codes in the country – 2,562 FTC complaints in the 33 days to 30 October 2026, 1st of 422 ranked codes. Most of those calls are spoofed: the caller fakes a local-looking number because it gets answered more often. Look up the specific number rather than judging by the code. The most reported category here is “Reducing your debt (credit cards, mortgage, student loans)”.
Which carrier owns 217 numbers?
AT&T holds the largest share of assigned number blocks at 27.9%. 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 217?
Yes – ten digits for local calls in 217, because it shares its area with another code.
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: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.