US area code · Wisconsin

534 area code

Where the 534 area code is, its overlay and how to dial a +1 534 number from anywhere.

CoversWisconsinTime zoneCentral (CT)TypeOverlay

Quick answer

The 534 area code is in Wisconsin, United States (Central (CT)). To call from abroad: +1 534 555-0123. It is an overlay, so all 10 digits are dialled.

StateWisconsin

Time zoneCentral (CT)

TypeOverlay

10-digit dialingRequired

In service since06-Nov-2008

The 534 area code is a geographic North American Numbering Plan (NANP) code covering Wisconsin. It has been in service since 06-Nov-2008 and sits in the Central (CT) time zone.

Overlay 534 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

534 715

How to dial a 534 number

From abroad+1 534 555-0123

Within the US / Canada1 534 555-0123

Locally (same area)534 555-0123

Other Wisconsin area codes

262 274 353 414 608 715 920

Frequently asked questions

Where is the 534 area code?

The 534 area code is in Wisconsin, United States (Central (CT)).

Is 534 an overlay area code?

Yes. 534 overlays the same region as 715, so callers dial all 10 digits.

Do I have to dial 10 digits for 534?

Yes — dial the area code plus the seven-digit number.

How do I call a 534 number from another country?

Dial your exit code (or +), then 1, then 534, then the number: +1 534 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 534 number does not pinpoint a street or ZIP code.

Number holders in area code 534

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 113 prefixes are in use in 534, shared by 26 companies. The largest holders:

Company	Prefixes	Share
New Cingular Wireless PCS, LLC	19	17%
Level 3 Communications, LLC	18	16%
Onvoy, LLC	14	12%
Fractel, LLC	14	12%
Ton80 Communications, LLC	10	9%
Multiple Ocn Listing	10	9%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 534 numbers

Reports to the FTC, last 30 days: 65
Recorded messages or robocalls: 58%
Rank among area codes: #387 of 670
Most reported subjects: Other (24)
: Reducing your debt (credit cards, mortgage, student loans) (17)
: Calls pretending to be government, businesses, or family and friends (11)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 534 — cities & rate centres