CallataGuidesGet a local business phone number in Annandale, MN
Annandale's area code, prefixes and carriers from NANPA records, and how to put a Annandale number in front of your customers.
- Area code
- 320
- Exchanges
- 3NANPA-assigned
- Carriers
- 2
- Population
- 3,487Census 2024 est.
Area codes in Annandale
With 3,487 residents in the Census 2024 estimate, Annandale sits in Wright County, Minnesota. All 3 exchanges NANPA lists for its rate center are in area code 320. Annandale is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 320 are dialed as seven digits and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 320 | 3 | 100% | 1996 | none | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Annandale
2 carriers hold the 3 exchanges assigned to Annandale's rate center. Windstream Lakedale, INC. has the most, with 2. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Annandale can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Windstream Lakedale, INC. | 2 | 67% |
| Midcontinent Communications - MN | 1 | 33% |
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 Annandale
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Annandale. The earliest assignment date recorded in the file for these codes is 2016. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 320 | 261, 274, 430 |
Source: NANPA utilized central office code file.
How local numbers work in Annandale
What a caller sees as "local" is the area code plus prefix. In Annandale, those come from the ANNANDALE rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 320 numbers available change over time; porting an existing number is free.
Who does business near Annandale
Annandale is part of the Minneapolis-St. Paul-Bloomington, MN-WI metro area, home to 3.8 million people in 2024. County Business Patterns counted 99,443 business establishments in the Minneapolis, MN-WI metro area in 2023, employing 1,885,126 people. The largest sectors by establishment count are health care and social assistance (13,207), professional, scientific, and technical services (12,899), and construction (10,456).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 2,618 | 52,606 | 20.1 |
| Offices of real estate agents and brokers | 2,609 | 5,270 | 2.0 |
| Full-service restaurants | 2,382 | 61,837 | 26.0 |
| Residential remodelers | 2,078 | 6,917 | 3.3 |
| Insurance agencies and brokerages | 1,885 | 11,219 | 6.0 |
| Landscaping services | 1,605 | 9,993 | 6.2 |
| Law offices | 1,570 | 13,495 | 8.6 |
| Management consulting firms | 1,320 | 10,002 | 7.6 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Annandale business line
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.
Porting a number you already use in Annandale is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.
AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Minneapolis, MN-WI metro area, 19 users on RingCentral RingEX Core come to $570.00 a month and on Ooma Office Pro $474.05, at month-to-month list prices checked September 28, 2026. Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.
| 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 Annandale, MN?
320. All exchanges NANPA lists for Annandale are in 320.
How many phone companies have exchanges in Annandale?
2, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Annandale 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 Annandale?
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).