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Area code

Area code 608 — Madison, WI

Wisconsin · in service since 1955

Area code 608 covers parts of Wisconsin; the place with the most of its prefixes is Madison. It is an overlay: 353 serves the same area, so neighbors can have different area codes.

Overlay, same area: 353

Local time in Madison

Central Time ·

Spam reports from Sep 23 – Oct 22, 2026

Average #204 of 461 codes

455 FTC complaints

Top subject: impostors · 69% robocalls

Consumer reports, not verified by the FTC.

See the reports

Spam call reports about 608 numbers

Complaints by week

Sep 11 – Oct 22, 2026
608, Sep 11 – Oct 22, 2026050100150200Sep 7 (partial): 51 complaints51Sep 73 days189Sep 14151Sep 21129Sep 2884Oct 590Oct 12Oct 19 (partial): 72 complaints72Oct 194 days
Show as table
Week startingComplaints
Sep 7 (3 days)51
Sep 14189
Sep 21151
Sep 28129
Oct 584
Oct 1290
Oct 19 (4 days)72

Compared with all codes

Robocalls
69%all codes 75%
Callers with the same code
67%all codes 35%
Rank by complaints
#204of 461 · middle half
FCC complaints, Oct 2025 – Sep 2026
11411 about text messages

What the calls were about

Sep 11 – Oct 22, 2026

SubjectComplaints
Calls pretending to be government, businesses, or family and friends146 19%
Reducing your debt (credit cards, mortgage, student loans)96 13%
Dropped call or no message57 7%
Medical & prescriptions55 7%
Home improvement & cleaning7 1%
Lotteries, prizes & sweepstakes5 1%

Where the people who complained live

Sep 11 – Oct 22, 2026

StateComplaints
Wisconsin565 74%
Illinois21 3%
California18 2%
Colorado16 2%
Texas13 2%

October 2026 (partial) report · most reported

Consumer reports, not verified by the FTC · source

Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).

Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.

Area code 608 location and prefixes

Prefixes assigned799588 in number pools
Exchange areas159Madison holds 25%
Counties19Dane County, Rock County, La Crosse County, and others
Largest exchange areas
Exchange (NANPA)PlaceCountyPrefixes
MADISONMadisonDane County198
JANESVILLEJanesvilleRock County45
LA CROSSELa CrosseLa Crosse County41
BELOITBeloitRock County25
MIDDLETONMiddletonDane County17
STOUGHTONStoughtonDane County13
BARABOOBarabooSauk County12
MONROEMonroeGreen County11
TOMAHTomahMonroe County10
DODGEVILLEDodgevilleIowa County9

Plus 149 smaller exchange areas.

Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).

Nearby area codes

Same area (overlay)

Nearest by exchange location

Other codes in Wisconsin

NANPA record

Location
Wisconsin
Assigned by NANPA
1955
Local dialing
10 digits (NANPA: 10D)
NANPA planning letters
PL-556, PL-544

Source: NANPA, NPA database of Oct 24, 2026.

Is 608 running out of numbers?

Forecast exhaust (April 2026)1Q 2065for 353/608 · in about 39 years

Previous forecast (October 2025): 2063, moved later by 2 years.

Forecast exhaust year by edition

60820502060207020802055Oct 20232062Apr 20242063Oct 20242073Apr 20252063Oct 20252065Apr 2026

Source: NANPA NRUF forecast, April 2026 edition.

Who holds 608 prefixes

The five largest of 75 original holders

As listed by NANPA, not today’s carrier.

Holder (as listed)Prefixes
Wisconsin Bell Inc.80 10%
United States Cellular76 10%
Verizon Wireless54 7%
Frontier North Inc.53 7%
Onvoy, LLC50 6%

Source: NANPA CO codes of Oct 23, 2026.

Questions about area code 608

What area code is 608?

A Wisconsin area code, in service since 1955.

Where is 608 area code, and what time zone is it in?

Madison, WI; Central Time.

Why am I getting spam calls from 608?

455 FTC complaints from Sep 23 – Oct 22, 2026, most often about impostors (not verified by the FTC; caller ID can be spoofed).

Will 608 get a new area code?

NANPA forecasts exhaust in 1Q 2065; no relief planning listed.