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Area code 353

Area code 353 Madison, Wisconsin

Area code 353 is one of the newer area codes, added in 2023 to Wisconsin, with numbers assigned in Madison, Highland, Lone Rock and 6 more places. It’s 11:12 PM there now.

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

Numbers in 353 are assigned to 9 places in 6 counties: Dane County, Green County, Iowa County, Richland County, Marquette County and Chippewa County.

Madison has the most, 23% of the exchanges; the rest are spread across 8 other places.

  • Madison3
  • Highland1
  • Lone Rock1
  • Montello1
  • Belleville1
  • Bloomer1
  • DeForest1
  • Mazomanie1
  • Albany1

Phone companies in 353

13 blocks of numbers in 353 are held by 4 phone companies. The most belong to Inteliquent (10), Wavenation (1) and T-Mobile (1).

A large share, about 92%, belongs to competitive and internet phone carriers; wireless networks hold 8% and local phone and cable companies 0%.

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

History and overlays

353 went into service in 2023, added to the area of 608.

608 (since 1955) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

13 new exchanges were assigned since 2021, the latest in June 2026.

Calling 353

It’s 11:12 PM Central time in 353 right now.

From elsewhere in the U.S., dial 1, 353 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 353 area code

Map of the 353 area code around Madison, Highland and Lone Rock, Wisconsin.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 353

Where is area code 353?

In Wisconsin, covering Madison, Highland and Lone Rock and other places across 6 counties.

What time zone is 353 in?

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

Is 353 an overlay?

Yes. 608 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 353 numbers?

4 companies hold blocks; the most belong to Inteliquent, Wavenation and T-Mobile. About 8% of blocks are wireless.

Is 353 running out of numbers?

Not on record. 13 new exchanges have been assigned since 2021.