Get a local business phone number in Black Earth, WI
Black Earth's area code, prefixes and carriers from NANPA records, and how to put a Black Earth number in front of your customers.
- Area code
- 608
- Exchanges
- 2NANPA-assigned
- Carriers
- 2
- Population
- 1,511Census 2024 est.
What area code is Black Earth, WI?
Black Earth village is a Census place in Dane County, Wisconsin, with an estimated 1,511 residents in 2024. All 2 exchanges NANPA lists for its rate center are in area code 608. 608 is part of an overlay with 353, so a new local number in Black Earth may carry any of those codes depending on which have numbers available. Black Earth is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 608 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 608 | 2 | 100% | 1955 | 353 | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Who holds Black Earth phone exchanges
2 carriers hold the 2 exchanges assigned to Black Earth's rate center. Black Earth Tel. CO. has the most, with 1. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Black Earth can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Black Earth Tel. CO. | 1 | 50% |
| Charter Ip Enabled Services, LLC | 1 | 50% |
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.
Local prefixes for Black Earth
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Black Earth. The earliest assignment date recorded in the file for these codes is 2010. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 608 | 767, 813 |
Source: NANPA utilized central office code file.
What makes a number local to Black Earth
What a caller sees as "local" is the area code plus prefix. In Black Earth, those come from the BLACKEARTH rate center, as recorded by NANPA.
Keeping an existing Black Earth number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 608 when you pick it.
Businesses around Black Earth
Black Earth is part of the Madison, WI metro area, home to 708,000 people in 2024. County Business Patterns counted 17,791 business establishments in the Madison, WI metro area in 2023, employing 358,759 people. The largest sectors by establishment count are professional, scientific, and technical services (2,203), retail trade (2,026), and health care and social assistance (1,934).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 601 | 12,187 | 20.3 |
| Limited-service restaurants | 510 | 10,107 | 19.8 |
| Offices of real estate agents and brokers | 375 | 839 | 2.2 |
| Landscaping services | 302 | 2,192 | 7.3 |
| Insurance agencies and brokerages | 295 | 1,350 | 4.6 |
| Residential remodelers | 290 | 1,500 | 5.2 |
| Law offices | 252 | 1,969 | 7.8 |
| Child day care services | 242 | 3,537 | 14.6 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A Black Earth number on Callata
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 Black Earth, 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Madison, WI metro area, 20 users on RingCentral RingEX Core come to $600.00 a month and on Ooma Office Pro $499.00, at month-to-month list prices checked September 28, 2026. On Callata the same 20 people cost $399.00 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 | $399.00 | $4,788.00 |
| Quo (Starter) | $19.00 per user | $380.00 | $4,560.00 |
| Nextiva (Core) | $23.00 per user | $460.00 | $5,520.00 |
| Ooma (Office Pro) | $24.95 per user | $499.00 | $5,988.00 |
| Dialpad (Standard) | $27.00 per user | $540.00 | $6,480.00 |
| RingCentral (RingEX Core) | $30.00 per user | $600.00 | $7,200.00 |
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 Black Earth, WI?
608. All exchanges NANPA lists for Black Earth are in 608.
How many phone companies have exchanges in Black Earth?
2, holding 2 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Black Earth 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 Black Earth?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 20 users come to $399.00 a month. For comparison, 20 users on RingCentral RingEX Core list at $600.00 a month (checked September 28, 2026).