--- title: "Area code 534: Wisconsin, United States" url: "https://lookvalid.com/area-code/534.md" canonical_url: "https://lookvalid.com/area-code/534" last_updated: "2026-10-23" type: "reference" summary: "Area code 534 serves Wisconsin, United States. Number formats, numbering rules, a live phone validator and the other codes in Wisconsin." --- # Area code 534: Wisconsin, United States Area code 534 serves Wisconsin, United States. Number formats, numbering rules, a live phone validator and the other codes in Wisconsin. NANPA lists 94 central office codes (prefixes) in use in area code 534, held by 23 holders across 61 rate centers. New Cingular Wireless PCS holds the most prefixes, 17 (18%). 100% of the prefixes are pooled, which means their thousands-blocks can belong to different companies. The FCC unwanted-call data has 135 complaints on file for 102 numbers in 534, most often filed as "Unwanted Calls". These are consumer reports, not findings. ## Facts - In service since: 2010-08-14 - Time zone: Central (C) - Assigned overlays: 715 (1947-01-01) - Prefixes in use: 94 - Pooled prefixes: 94 (100%) - Rate centers: 61 - Companies holding prefixes: 23 - Assignment dates on file: 2011-12-07 to 2026-06-04 (94 prefixes) - ZIP codes in its places: 56 ## Rate centers | Rate center | Prefixes | Share | | --- | --- | --- | | RHINELANDR | 11 | 12% | | EAU CLAIRE | 8 | 9% | | RICE LAKE | 5 | 5% | | WAUSAU | 5 | 5% | | WAUPACA | 4 | 4% | | RIVERFALLS | 3 | 3% | | HUDSON | 2 | 2% | | SCANDINVIA | 2 | 2% | | 53 other rate centers | 54 | 57% | ## Carriers | Holder | Prefixes | Share | | --- | --- | --- | | New Cingular Wireless PCS | 17 | 18% | | Level 3 Communications | 16 | 17% | | Fractel | 14 | 15% | | Onvoy | 14 | 15% | | Ton80 Communications | 10 | 11% | | Boost Subscriberco | 3 | 3% | | 17 other carriers | 20 | 21% | A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company. ## History - 1947-01-01: Area code 715, named as the parent of 534 in the NANPA report, was in service. - 2010-08-14: Area code 534 went into service. ## Nearest area codes The area codes closest to 534, measured between the centers of the ZIP code places they serve, are 651 (about 108 miles), 920 (about 132 miles), 274 (about 135 miles), 608 (about 138 miles) and 763 (about 154 miles). ## ZIP codes 56 ZIP codes fall in places that have a rate center in this area code. The places with the most are Eau Claire, WI (3 ZIP codes), Marshfield, WI (3 ZIP codes) and Stevens Point, WI (3 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes. ## Complaints on file 135 complaints for 102 numbers. Numbers whose latest complaint falls in each year: - 2023: 14 - 2024: 15 - 2025: 12 ## Questions ### Where is area code 534? NANPA assigns area code 534 to Wisconsin, United States. ### In which state does area code 534 sit? Wisconsin. 534 is one of 8 area codes the NANPA table assigns to the state. ### Which places does area code 534 cover? The places with the most ZIP codes among the rate centers in 534 are Eau Claire, WI, Marshfield, WI and Stevens Point, WI. The rate center list on this page shows all of them. ### Who owns area code 534? NANPA assigns area codes. Within 534, New Cingular Wireless PCS holds the most prefixes, 17 prefixes or 18%. ### Which time zone does 534 use? The NANPA NPA report lists the time zone for 534 as Central (C). ### What year did 534 enter service? The NANPA NPA report gives an in-service date of 2010-08-14, so 534 has been in use since 2010. ### Does area code 534 have an overlay? Yes. 715 (in service 1947-01-01) shares the same area with 534, so numbers from all of them are local to each other. ### Which area codes are nearest to 534? The area codes closest to 534, measured between the centers of the ZIP code places they serve, are 651 (about 108 miles), 920 (about 132 miles), 274 (about 135 miles), 608 (about 138 miles) and 763 (about 154 miles). ### How many prefixes does area code 534 have? NANPA's report dated 2026-10-17 lists 94 prefixes in service in 534, spread over 61 rate centers and 23 holders. ### Are there complaints about 534 numbers? The FCC data on file has 135 complaints for 102 numbers in 534. They are unverified consumer reports. A number with no complaints on file is not proven safe. Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).