Area code 708

Area code 708 La Grange, Illinois

Area code 708 is in Illinois, with numbers assigned in La Grange, Chicago Heights, Blue Island and 33 more places. It’s 11:11 PM there now.

State
Illinois17 area codes in Illinois
Time zone
Central11:11 PM there now
Exchanges
78436 places
Overlay
464Same area, 10-digit dialing
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Where area code 708 is

Numbers in 708 are assigned to 36 places in 6 counties: Cook County, Will County, DuPage County, Livingston County, Menard County and Lake County.

No single place dominates: La Grange, the largest, has 16% of the exchanges.

  • La Grange129
  • Chicago Heights64
  • Blue Island43
  • Roselle41
  • Maywood35
  • Oak Lawn31
  • Tinley Park31
  • Northbrook30
  • Orland Park30
  • Harvey28
  • Summit28
  • Cicero25
  • Bellwood23
  • Oak Park20
  • Forrest18
  • Homewood16
  • Hinsdale16
  • Berwyn14
  • River Grove14
  • Palos Park13
  • Calumet City13
  • Riverside11
  • Riverdale10
  • Western Springs10

Phone companies in 708

784 blocks of numbers in 708 are held by 25 phone companies. The most belong to AT&T (178), T-Mobile (131) and AT&T Mobility (107).

A mix: about 37% wireless, 25% local phone and cable and 38% other carriers, including internet phone services.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

708 went into service in 1989, added to the area of 312.

464 (since 2022) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

36 new exchanges were assigned since 2021, the latest in August 2026.

Calling 708

It’s 11:11 PM Central time in 708 right now.

From elsewhere in the U.S., dial 1, 708 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Illinois has 17 area codes: 217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, 861 and 872.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 708 area code

Map of the 708 area code around La Grange, Chicago Heights and Blue Island, Illinois.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 708

Where is area code 708?

In Illinois, covering La Grange, Chicago Heights and Blue Island and other places across 6 counties.

What time zone is 708 in?

Central time. It was 11:11 PM there when this page loaded.

Is 708 an overlay?

Yes. 464 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 708 numbers?

25 companies hold blocks; the most belong to AT&T, T-Mobile and AT&T Mobility. About 37% of blocks are wireless.

Is 708 running out of numbers?

Not on record. 36 new exchanges have been assigned since 2021.