Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — AREA-CODE/464

464 area code

Area code 464 is in Illinois. It covers Cicero, Orland Park, Oak Lawn and 48 other places: 36 ZIP codes in Cook and Will counties. Local time there is , Central Time. In service since 2022 as an overlay: it covers the same area as 708, so a number from there can have either code.

Time zone
Central
Largest city
Orland Park
Overlays
708
In service since
2022
Rate centres
24
Prefixes assigned
111 (1,110,000 numbers)

Who calls from a 464 number

NANPA records the carrier each block of 464 numbers is assigned to. Of the 1.0 million 464 numbers assigned, 70% are with mobile carriers (AT&T Mobility, Verizon Wireless and T-Mobile); 30% with cable, internet-calling, business and other carriers (Onvoy and Fractel).

That is who the numbers were assigned to: people keep their number when they change carrier, so any one number may have moved since.

Carriers holding the most 464 numbers
CarrierKindShare
AT&T MobilityMobile58%
OnvoyCable, VoIP, other19%
Verizon WirelessMobile5%
T-MobileMobile5%
FractelCable, VoIP, other3%
Boost MobileMobile2%

An area code says where a number was issued, not where the caller is: people keep their numbers when they move, and caller ID can be set to show any number, which the FCC calls spoofing. If a call you did not expect asks for money or personal details, the FCC advises hanging up and calling the company back on a number you look up yourself. Unwanted calls can be reported to the FTC at ReportFraud.ftc.gov.

Places in area code 464

The 23 places with a telephone rate centre of their own using 464, largest first. Each links to its ZIP codes.

Places in area code 464
PlaceZIP codesPopulation
Cicero, IL 1 82,797
Orland Park, IL 2 57,916
Oak Lawn, IL 2 56,861
Berwyn, IL 1 55,595
Tinley Park, IL 2 54,842
Calumet City, IL 1 35,100
Lansing, IL 1 28,284
Chicago Heights, IL 2 26,736
Maywood, IL 1 23,201
Blue Island, IL 1 21,741
Harvey, IL 1 20,230
Mokena, IL 1 20,021
Bellwood, IL 1 18,256
La Grange, IL 1 15,998
Forest Park, IL 1 13,943
Summit, IL — 10,846
Riverdale, IL 1 10,340
Crete, IL 1 8,386
Willow Springs, IL 1 5,868
Palos Park, IL 1 4,816
Beecher, IL 1 4,728
Peotone, IL 1 4,587
Thornton, IL 1 1,940

Nearby places using 464

These places have no rate centre of their own in NANPA's records; the nearest one uses 464. Near an area-code boundary that can be wrong for part of a town.

ZIP codes in area code 464

36 ZIP codes in 32 towns, by the town each is mailed to, largest first. Each links to its own page.

Where 464 numbers are issued

NANPA's rate centres with the most 464 prefixes (each prefix is 10,000 numbers), under NANPA's own abbreviated names.

Rate centres using area code 464
Rate centrePlacePrefixes
OAK FOR SO — 21
FOREST Forest Park 20
LA GRANGE La Grange 19
CICERO Cicero 9
BLUEISLAND Blue Island 8
CHICAGOHTS Chicago Heights 6

Counties

The counties of its ZIP codes, most residents first, with how many of its ZIP codes each has.

Which code covers where you are now? What area code am I in? answers from your location.

Questions about area code 464

Where is area code 464?

Area code 464 is in Illinois. It covers Cicero, Orland Park, Oak Lawn and 48 other places: 36 ZIP codes in Cook and Will counties.

What ZIP codes are in area code 464?

36 ZIP codes, by the town each is mailed to: Cicero (60804), Orland Park (2, 60462 to 60467), Oak Lawn (2, 60453 to 60454), Berwyn (60402) and 28 more towns. The full list is on this page.

What time zone is area code 464 in?

Central time.

Is a 464 number a mobile or a landline?

It can be either. 70% of 464 numbers are assigned to mobile carriers and 0% to local phone companies (NANPA, 2026-10-10); the rest are with cable, internet-calling, business and paging carriers. A number keeps its area code when it moves to another carrier.

What area codes overlay 464?

708. They cover the same area as 464, so a new number there can be given any of them.

Does a 464 number mean the caller is in Illinois?

Not necessarily. An area code says where the number was first issued. People keep their numbers when they move or switch carriers, and calling software can show any number, so a 464 call can come from anywhere.

Other area codes in Illinois

All 17 Illinois area codes, by area, with the cities each covers

Source: NANPA NPA database, central office code and thousands-block assignments, 2026-10-10. Places are matched to NANPA's rate centres by name; see sources.

Cite this page

zipcodes.pro. “Area code 464.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/area-code/464

Underlying data is public domain or openly licensed — sources, vintages and licences.