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Area code 353

Area code 353 serves Wisconsin, including Madison, Albany and Belleville (Central time). It has been in service since September 15, 2023 and shares its area with 608.

Numbers starting with 353 drew 64 reports to the FTC from Aug 14, 2026 to Nov 11, 2026 and 3 complaints to the FCC since November 2023. The number on your screen can be faked, so a 353 number proves nothing about where a call came from.

Location
WisconsinMadison, WI Metropolitan Statistical Area
Time zone
Central
In service since
September 15, 2023Created from 608
Overlay
Same area as 608
Local calls
Dial 10 digitsArea code needed, even next door
Exchanges in use
13 of 792held by 4 carriers
Projected to run out
2Q 2075NANPA forecast 2026.2

Complaints about 353 numbers

Reports where the number on the consumer's caller ID (or, for the FCC, the number the caller asked them to call back) starts with 353. These are counts of what people reported; the agencies do not verify them.

FTC reports, Aug 14, 2026 to Nov 11, 2026

64

FCC complaints since November 2023

3

Different 353 numbers reported

39

FCC complaints naming a 353 number, by month

November 2023 to October 2026. Source: FCC Consumer Complaints Data.

Show as a table
MonthComplaints
November 20230
December 20230
January 20240
February 20240
March 20240
April 20240
May 20240
June 20241
July 20240
August 20240
September 20240
October 20240
November 20240
December 20240
January 20250
February 20250
March 20250
April 20250
May 20251
June 20250
July 20250
August 20250
September 20250
October 20250
November 20250
December 20250
January 20261
February 20260
March 20260
April 20260
May 20260
June 20260
July 20260
August 20260
September 20260
October 20260

What people said 353 calls were about

Subjects picked in FTC reports, August 14, 2026 to November 11, 2026. 55 of 64 reports were robocalls.

Show as a table
SubjectReports
Other41
Dropped call or no message13
Reducing your debt (credit cards, mortgage, student loans)8
Medical and prescriptions1
Computer and technical support1

Places served by 353

NANPA lists 11 rate centers for 353. A rate center is the town or district a block of numbers is tied to for billing; sorted here by how many exchanges each holds.
  • Madison3
  • Albany1
  • Belleville1
  • Bloom City1
  • Centerville1
  • De Forest1
  • Highland1
  • Ithaca1
  • Lone Rock1
  • Mazomanie1
  • Montello1

Phone companies holding 353 exchanges

Each exchange (the three digits after the area code) is assigned to one carrier. 100% of these exchanges are pooled: their numbers are handed out in blocks of 1,000 to other carriers, so the holder below is not always the company serving a given number.

Exchanges held, top 4 of 4 carriers

NANPA central office code assignments, file of November 11, 2026.

Show as a table
Carrier (legal name)Exchanges
Onvoy, LLC - WI10
Ahoi LLC1
T-Mobile USA, Inc.1
Wavenation, LLC1

Check a 353 number

A check shows the carrier and rate center of the number's exchange and every FTC and FCC report about that exact number. Why the number on screen can be fake.

Other area codes in Wisconsin

NANPA area code database and central office code file of November 11, 2026; FCC complaints November 1, 2023 to November 11, 2026; FTC reports August 14, 2026 to November 11, 2026. How the data is used.

Official sources (7)Show