Area code 534
Where 534 is, how it is dialed, which carriers hold its numbers and how many of its codes are in use, from NANPA's 10/01/2026 files.
- State
- WI
- In service
- 2010
- Assigned codes
- 98of 800 possible
- Carriers
- 23
Where area code 534 is
NANPA lists 534 as an in-service geographic area code for Wisconsin, first put into service on August 14, 2010. It is an overlay: 534 and 715 cover the same territory, so neighbors on the same street can have different area codes. It is in the Central time zone. The places with the most assigned exchanges include Rhinelander, Eau Claire, Rice Lake, Wausau, and Waupaca. By population, its largest named places are Eau Claire, Wausau, Superior, Stevens Point, and Marshfield.
| Item | Value |
|---|---|
| State | Wisconsin |
| In service since | August 14, 2010 |
| Assigned by NANPA | November 6, 2008 |
| Overlay | Yes, with 715 |
| Parent area code (NANPA) | 715 |
| Time zone | Central |
| Local calls within the code | ten digits (area code plus number) |
| Assigned central office codes | 98 |
| Rate centers with codes | 63 |
| Carriers holding codes | 23 |
| Pooled codes | 98 |
| Codes assigned since 2020 | 75 |
| Relief planning in progress | No |
Source: NANPA NPA report and utilized central office code file, both dated 10/01/2026.
Cities and towns in area code 534
534 holds 2.7% of the 3,681 central office codes assigned in Wisconsin, the 6th most of the state's 8 codes. 53 Census places could be matched to rate centers with 534 exchanges; the most populous are Eau Claire (72,331), Wausau (40,262), Superior (26,620), and Stevens Point (26,465). For a storefront or service area inside 534, the place pages show which prefixes are rated local there.
| Place | Population (2024) | Area codes | Exchanges | Carriers |
|---|---|---|---|---|
| Eau Claire, WI | 72,331 | 534, 715 | 71 | 24 |
| Wausau, WI | 40,262 | 534, 715 | 40 | 14 |
| Superior, WI | 26,620 | 534, 715 | 12 | 7 |
| Stevens Point, WI | 26,465 | 534, 715 | 32 | 15 |
| Marshfield, WI | 18,973 | 534, 715 | 16 | 10 |
| River Falls, WI | 17,802 | 534, 715 | 9 | 6 |
| Menomonie, WI | 16,709 | 534, 715 | 14 | 9 |
| Chippewa Falls, WI | 15,075 | 534, 715 | 9 | 6 |
| Hudson, WI | 15,031 | 534, 715 | 18 | 9 |
| Shawano, WI | 9,635 | 534, 715 | 13 | 8 |
| Merrill, WI | 9,445 | 534, 715 | 9 | 5 |
| Rice Lake, WI | 8,971 | 534, 715 | 20 | 8 |
| Rhinelander, WI | 8,286 | 534, 715 | 34 | 8 |
| Waupaca, WI | 6,231 | 534, 715 | 15 | 13 |
| Mosinee, WI | 4,531 | 534, 715 | 4 | 3 |
Population: Census Vintage 2024 estimates for the matched place. Exchanges and carriers: NANPA utilized code file.
Dialing 534 numbers
According to NANPA's dialing-plan data, local calls within 534 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits. Ten-digit local dialing means the area code is part of how customers save and recognize your number, so print it in full everywhere. NANPA's dialing-plan note for this code reads: "1+10 digit permissible at service provider discretion see PL 384"
Who holds 534 exchanges
23 carriers hold the 98 central office codes assigned in 534. New Cingular Wireless PCS, LLC - Il has the most, with 19 (19%). 98 of the codes (100%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. Numbers can move between carriers through porting, so a code's holder tells you where the block started, not where every number lives now.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| New Cingular Wireless PCS, LLC - Il | 19 | 19% |
| Level 3 Communications, LLC - Wi | 18 | 18% |
| Onvoy, LLC - Wi | 14 | 14% |
| Fractel, LLC | 14 | 14% |
| Ton80 Communications, LLC | 10 | 10% |
| Boost Subscriberco L.l.c. | 3 | 3.1% |
| Nuso, LLC | 2 | 2.0% |
| Onvoy Spectrum, LLC | 2 | 2.0% |
| Cellco Partnership d/b/a Verizon Wireless - Wi | 2 | 2.0% |
| CSC Wireless, LLC | 1 | 1.0% |
| Centurylink Communications, LLC | 1 | 1.0% |
| Peerless Network of Wisconsin, LLC - Wi | 1 | 1.0% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
Where 534 numbers are rated
NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 534 has codes in 63 rate centers. The table lists the rate centers with the most codes, with the matching Census place where the abbreviation could be matched.
| Rate center (NANPA) | Place | Codes |
|---|---|---|
| RHINELANDR | Rhinelander, WI | 13 |
| EAU CLAIRE | Eau Claire, WI | 8 |
| RICE LAKE | Rice Lake, WI | 5 |
| WAUSAU | Wausau, WI | 5 |
| WAUPACA | Waupaca, WI | 4 |
| RIVERFALLS | River Falls, WI | 3 |
| SCANDINVIA | not matched | 2 |
| STEVENS PT | Stevens Point, WI | 2 |
| HUDSON | Hudson, WI | 2 |
| CAMERON | Cameron, WI | 1 |
| BAY CITY | Bay City, WI | 1 |
| FOX CREEK | not matched | 1 |
| SPRINGLAKE | Spring Lake, WI | 1 |
| ELEVA | Eleva, WI | 1 |
| SOMERSET | Somerset, WI | 1 |
| MERRILLAN | Merrillan, WI | 1 |
| CANTON | Canton, WI | 1 |
| CHIPPEWFLS | Chippewa Falls, WI | 1 |
| AMHERST | Amherst, WI | 1 |
| BIRCHWOOD | Birchwood, WI | 1 |
| COLBY | Colby, WI | 1 |
| LONG LAKE | Long Lake, WI | 1 |
| LADYSMITH | Ladysmith, WI | 1 |
| AUBURNDALE | Auburndale, WI | 1 |
| CLINTONVL | Clintonville, WI | 1 |
Top 25 of 63 rate centers.
534 code assignments over time
An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 98 are assigned in 534, 12% of 800. 75 were assigned in 2020 or later.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 23 | 23% |
| 2020s | 75 | 77% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Using area code 534 for business calls
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
If you already have a number in area code 534, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
Frequently asked questions
Where is area code 534?
534 is a geographic area code in Wisconsin. Places with the most assigned exchanges include Rhinelander, Eau Claire, Rice Lake, and Wausau.
What time zone is area code 534 in?
NANPA lists 534 in the Central time zone.
When did area code 534 go into service?
NANPA records an in-service date of August 14, 2010. The code was assigned on November 6, 2008.
Is 534 an overlay area code?
Yes. It shares its territory with 715.
Can my business get a 534 phone number?
Callata includes up to 3 local numbers on its $99/month plan (5 users included). Which 534 numbers are open depends on carrier inventory when you choose, and you can port an existing number for free.