CallataGuidesGet a local business phone number in Denmark, WI
Denmark's area codes, prefixes and carriers from NANPA records, and how to put a Denmark number in front of your customers.
- Area code
- 920 / 274
- Exchanges
- 4NANPA-assigned
- Carriers
- 4
- Population
- 2,892Census 2024 est.
Area codes in Denmark
Denmark village is a Census place in Brown County, Wisconsin, with an estimated 2,892 residents in 2024. NANPA lists 4 exchanges for its rate center across 2 area codes; 920 has the most (3, 75%). 920 is part of an overlay with 274, so a new local number in Denmark may carry any of those codes depending on which have numbers available. Denmark is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 920 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in Denmark
4 carriers hold the 4 exchanges assigned to Denmark's rate center. Metropcs, INC. has the most, with 1. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Denmark can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Metropcs, INC. | 1 | 25% |
| Onvoy, LLC - Wi | 1 | 25% |
| Level 3 Communications, LLC - Wi | 1 | 25% |
| Brightspeed of Central Wisconsin, LLC | 1 | 25% |
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.
Exchanges (NPA-NXX) assigned in Denmark
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Denmark. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 4 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 274 | 215 |
| 920 | 274, 367, 863 |
Source: NANPA utilized central office code file.
When Denmark's exchanges were assigned
Assignment dates show when each block of Denmark numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 33% |
| 2020s | 2 | 67% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Denmark
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Denmark's numbers are rated to the DENMARK rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Denmark number.
New local numbers are drawn from carrier inventory, so the exact 920 numbers available change over time; porting an existing number is free.
The local business market
Denmark is part of the Green Bay, WI metro area, home to 335,000 people in 2024. County Business Patterns counted 7,968 business establishments in the Green Bay, WI metro area in 2023, employing 155,112 people. The largest sectors by establishment count are retail trade (982), health care and social assistance (912), and construction (873).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 257 | 5,288 | 20.6 |
| Limited-service restaurants | 213 | 4,320 | 20.3 |
| Insurance agencies and brokerages | 150 | 871 | 5.8 |
| Physician practices | 144 | — | — |
| Drinking places | 135 | 874 | 6.5 |
| Landscaping services | 124 | 594 | 4.8 |
| Offices of real estate agents and brokers | 114 | 412 | 3.6 |
| Plumbing, heating and air-conditioning contractors | 111 | 1,889 | 17.0 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Denmark
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
If you already have a number in Denmark, 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.
A 19-person team is the benchmark here, the rounded average establishment size in the Green Bay, WI metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $570.00 a month and Ooma Office Pro $474.05. On Callata the same 19 people cost $379.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $379.00 | $4,548.00 |
| Quo (Starter) | $19.00 per user | $361.00 | $4,332.00 |
| Nextiva (Core) | $23.00 per user | $437.00 | $5,244.00 |
| Ooma (Office Pro) | $24.95 per user | $474.05 | $5,688.60 |
| Dialpad (Standard) | $27.00 per user | $513.00 | $6,156.00 |
| RingCentral (RingEX Core) | $30.00 per user | $570.00 | $6,840.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Frequently asked questions
What area code is Denmark, WI?
Denmark has exchanges in 920 and 274; 920 has the most.
How many phone companies have exchanges in Denmark?
4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Denmark business number?
Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.
How much is a business phone line in Denmark?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 19 users come to $379.00 a month. For comparison, 19 users on RingCentral RingEX Core list at $570.00 a month (checked September 28, 2026).