Area code 630 – Illinois
630 has served Illinois since 1996, split from 708. All but a handful of its 786 number blocks are allocated (782 of 786), so it is effectively exhausted. AT&T is the largest holder with 54.0% of blocks, ahead of Verizon at 17.3%. It shares its geography with overlay codes 331, so local calls take all ten digits. 844 FTC complaints named a 630 caller ID in the 33 days to 30 October 2026, putting it 84th of 422 codes with five or more complaints.
Who holds 630 number blocks
Share of the 782 assigned NXX blocks (99.5% of the 786 possible), across 22 carriers. This is share of number blocks, not of subscribers.
- AT&T54%
- Verizon17.3%
- T-Mobile10.2%
- Lumen7.2%
- Windstream4.5%
- Other CLEC / VoIP2.4%
- Spok1.5%
- American Messaging0.9%
- Comcast0.6%
- Onvoy0.6%
- Bandwidth0.4%
- Peerless0.3%
- Vonage0.1%
Spam complaints naming 630
FTC Do Not Call complaints where the caller ID was a 630 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 630
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 33.
Timeline
- 1996 630 goes into service, split from or overlaid on 708.
More about 630
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 630
What state is area code 630?
Illinois. It covers the same area as 331/630.
Can I still get a 630 number?
Only from recycled stock. 782 of the 786 available blocks are already allocated, so new numbers in the area normally come from the overlay codes (331/630).
Is a call from 630 a scam?
Not by itself. 630 drew 844 FTC complaints in the 33 days to 30 October 2026, 84th 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 630 numbers?
AT&T holds the largest share of assigned number blocks at 54.0%. 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 630?
NANPA records the local dialing plan for 630 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.