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Area code 608

Area code 608 Madison, Wisconsin

Area code 608 is in Wisconsin, with numbers assigned in Madison, Janesville, La Crosse and 142 more places. It’s 11:12 PM there now.

State
Wisconsin8 area codes in Wisconsin
Time zone
Central11:12 PM there now
Exchanges
785145 places
Overlay
353Same area, 10-digit dialing
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Where area code 608 is

Numbers in 608 are assigned to 145 places in 21 counties: Dane County, Rock County, La Crosse County, Sauk County, Grant County, Green County, plus 15 more.

Madison has the most, 25% of the exchanges; the rest are spread across 144 other places.

  • Madison197
  • Janesville45
  • La Crosse41
  • Beloit25
  • Middleton17
  • Stoughton13
  • Monroe13
  • Baraboo12
  • Tomah10
  • Dodgeville9
  • Portage9
  • Platteville8
  • Wisconsin Dells7
  • Sparta7
  • Sun Prairie7
  • Mauston7
  • Richland Center7
  • Reedsburg7
  • Verona7
  • Prairie du Chien6
  • Adams6
  • Oregon5
  • West Salem5
  • Sauk City5

Phone companies in 608

785 blocks of numbers in 608 are held by 62 phone companies. The most belong to AT&T (80), UScellular (76) and Brightspeed (72).

A mix: about 28% wireless, 42% local phone and cable and 30% 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

608 went into service in 1955.

353 (since 2023) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

99 new exchanges were assigned since 2021, the latest in August 2025.

Calling 608

It’s 11:12 PM Central time in 608 right now.

From elsewhere in the U.S., dial 1, 608 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Wisconsin has 8 area codes: 262, 274, 353, 414, 534, 608, 715 and 920.

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 608 area code

Map of the 608 area code around Madison, Janesville and La Crosse, Wisconsin.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 608

Where is area code 608?

In Wisconsin, covering Madison, Janesville and La Crosse and other places across 21 counties.

What time zone is 608 in?

Central time. It was 11:12 PM there when this page loaded.

Is 608 an overlay?

Yes. 353 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 608 numbers?

62 companies hold blocks; the most belong to AT&T, UScellular and Brightspeed. About 28% of blocks are wireless.

Is 608 running out of numbers?

Not on record. 99 new exchanges have been assigned since 2021.