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US area code · Illinois

Area code 464

Where the 464 area code is, its overlay and how to dial a +1 464 number from anywhere.

CoversIllinoisTime zoneCentral (CT)TypeOverlay
Quick answer

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.

StateIllinois
Time zoneCentral (CT)
TypeOverlay
10-digit dialingRequired
In service since23-Jul-1999

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.

Overlay 464 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

How to dial a 464 number

From abroad+1 464 555-0123
Within the US / Canada1 464 555-0123
Locally (same area)464 555-0123

Other 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.

Missed a call from +1 464?

In the 30 days to September 24, 2026, 91 unwanted calls showing a 464 number were reported to the US Federal Trade Commission, 69% of them recorded messages or robocalls. That puts 464 at #376 of 670 area codes reported.

Reducing your debt (credit cards, mortgage, student loans)35
Other27
Dropped call or no message11
Calls pretending to be government, businesses, or family and friends4
Before you call back
  • If you do not know anyone in Illinois, do not call back: a genuine caller will leave a message or send a text.
  • Scammers fake the number shown on caller ID, so a 464 number can hide a caller anywhere in the world.
  • Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.

Who issues +1 464 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 464:

New Cingular Wireless PCS, LLC 57Onvoy, LLC 19Fractel, LLC 14Multiple Ocn Listing 9 5Ton80 Communications, LLC 5

About 51.6% of the 124 prefixes in use belong to mobile carriers: a 464 number is often a cell phone, and it may have moved to another carrier since.

Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.

All US area codes United States +1 Map of area code 464 — cities & rate centres