464 area code
Where the 464 area code is, its overlay and how to dial a +1 464 number from anywhere.
The 464 area code is in Illinois, United States (Central (CT)). To call from abroad: +1 464 555-0123. It is an overlay, so all 10 digits are dialled.
The 464 area code is a geographic North American Numbering Plan (NANP) code covering Illinois. It has been in service since 23-Jul-1999 and sits in the Central (CT) time zone.
How to dial a 464 number
+1 464 555-01231 464 555-0123464 555-0123Other Illinois area codes
Frequently asked questions
Where is the 464 area code?
The 464 area code is in Illinois, United States (Central (CT)).
Is 464 an overlay area code?
Yes. 464 overlays the same region as 708, so callers dial all 10 digits.
Do I have to dial 10 digits for 464?
Yes — dial the area code plus the seven-digit number.
How do I call a 464 number from another country?
Dial your exit code (or +), then 1, then 464, then the number: +1 464 555-0123.
Source: NANPA numbering plan. An area code covers a region, not a precise address — a 464 number does not pinpoint a street or ZIP code.
Number holders in area code 464
Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 124 prefixes are in use in 464, shared by 13 companies. The largest holders:
| Company | Prefixes | Share |
|---|---|---|
| New Cingular Wireless PCS, LLC | 57 | 46% |
| Onvoy, LLC | 19 | 15% |
| Fractel, LLC | 14 | 11% |
| Multiple Ocn Listing | 9 | 7% |
| 5 | 4% | |
| Ton80 Communications, LLC | 5 | 4% |
Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.
Complaints about 464 numbers
- Reports to the FTC, last 30 days
- 91
- Recorded messages or robocalls
- 69%
- Rank among area codes
- #376 of 670
- Most reported subjects
- Reducing your debt (credit cards, mortgage, student loans) (35)
- Other (27)
- Dropped call or no message (11)
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 464 — cities & rate centres