Area code
Area code 464 — La Grange, IL
Illinois · in service since January 21, 2022
Area code 464 covers parts of Illinois; the place with the most of its prefixes is La Grange. It is an overlay: 708 serves the same area, so neighbors can have different area codes.
Overlay, same area: 708
Local time in La Grange
Spam reports from Sep 23 – Oct 22, 2026
Low #366 of 461 codes
126 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneCentral Time
- Local calls1 + 10 digits
- Prefixes126 assigned
- Runs out~2Q 2053
- Unwanted call?Block & report
Spam call reports about 464 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 4 |
| Sep 14 | 28 |
| Sep 21 | 37 |
| Sep 28 | 28 |
| Oct 5 | 11 |
| Oct 12 | 19 |
| Oct 19 (4 days) | 44 |
Compared with all codes
- Robocalls
- 78%all codes 75%
- Callers with the same code
- 1%all codes 35%
- Rank by complaints
- #366of 461 · bottom quarter
- FCC complaints, Oct 2025 – Sep 2026
- 432 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 77 45% | |
| Calls pretending to be government, businesses, or family and friends | 10 6% | |
| Dropped call or no message | 3 2% | |
| Lotteries, prizes & sweepstakes | 3 2% | |
| Medical & prescriptions | 3 2% | |
| Energy, solar, & utilities | 2 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Illinois | 30 18% | |
| Florida | 15 9% | |
| California | 12 7% | |
| New York | 10 6% | |
| Pennsylvania | 10 6% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 464 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| OAK FOR SO | — | — | 21 |
| FOREST | — | — | 20 |
| LA GRANGE | La Grange | Cook County | 19 |
| CICERO | Cicero | Cook County | 9 |
| BLUEISLAND | Blue Island | Cook County | 8 |
| CHICAGOHTS | Chicago Heights | Cook County | 6 |
| HARVEY | Harvey | Cook County | 3 |
| ORLAND | — | — | 3 |
| BELLWOOD | Bellwood | Cook County | 2 |
| CALUMET CY | Calumet City | Cook County | 2 |
Plus 14 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Illinois
- Assigned by NANPA
- July 23, 1999
- Local dialing
- 1 + 10 digits (NANPA: 1+10D)
- NANPA planning letters
- PL-562, PL-195
Source: NANPA, NPA database of Oct 24, 2026.
Is 464 running out of numbers?
Previous forecast (October 2025): 2051, moved later by 2 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 464 prefixes
The five largest of 13 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| New Cingular Wireless PCS, LLC | 57 45% | |
| Onvoy, LLC | 21 17% | |
| Fractel, LLC | 14 11% | |
| Multiple Ocn Listing | 9 7% | |
| 5 4% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 464
What area code is 464?
An Illinois area code, in service since January 21, 2022.
Where is 464 area code, and what time zone is it in?
La Grange, IL; Central Time.
Why am I getting spam calls from 464?
126 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 464 get a new area code?
NANPA forecasts exhaust in 2Q 2053; no relief planning listed.