Get a local business phone number in Duluth, MN
Duluth's area code, prefixes and carriers from NANPA records, and how to put a Duluth number in front of your customers.
- Area code
- 218
- Exchanges
- 79NANPA-assigned
- Carriers
- 35
- Population
- 87,986Census 2024 est.
Duluth area codes
Duluth city is a Census place in St. Louis County, Minnesota, with an estimated 87,986 residents in 2024. All 79 exchanges NANPA lists for its rate center are in area code 218. Duluth is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 218 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 |
|---|---|---|---|---|---|
| 218 | 79 | 100% | 1947 | none | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Duluth exchanges by carrier
35 carriers hold the 79 exchanges assigned to Duluth's rate center. Qwest Corporation has the most, with 21. 53 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Qwest Corporation | 21 | 27% |
| Onvoy, LLC - MN | 8 | 10% |
| New Cingular Wireless PCS, LLC - Il | 8 | 10% |
| Cellco Partnership d/b/a Verizon Wireless - MN | 6 | 7.6% |
| Aerial Communications, INC. | 3 | 3.8% |
| AT&T - Local | 2 | 2.5% |
| Bandwidth.com CLEC, LLC - MN | 2 | 2.5% |
| Nuso, LLC | 2 | 2.5% |
| Mcimetro Access Transmission Services LLC - MN | 1 | 1.3% |
| Centurylink Communications, LLC | 1 | 1.3% |
| Onvoy Spectrum, LLC | 1 | 1.3% |
| Level 3 Communications, LLC - MN | 1 | 1.3% |
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 Duluth
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Duluth's rate center (DULUTH). The earliest assignment date recorded in the file for these codes is 2001. 18 of the 79 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 218 | 206, 213, 216, 221, 241, 249, 260, 269, 279, 302, 310, 320, 336, 337, 340, 341, 343, 348, 349, 355, 390, 391, 393, 409, 428, 461, 464, 481, 491, 514, 520, 522, 524, 525, 529, 576, 578, 580, 590, 591, 600, 605, 606, 607, 608, 613, 617, 619, 623, 624, 625, 626, 628, 672, 709, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 730, 733, 740, 761, 786, 788, 800, 801, 810, 860, 869, 890, 896, 940 |
Source: NANPA utilized central office code file.
When Duluth's exchanges were assigned
The table groups Duluth's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 12 | 29% |
| 2010s | 11 | 27% |
| 2020s | 18 | 44% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Duluth
NANPA ties every exchange to a rate center. For Duluth that is DULUTH, so a number from one of these exchanges reads as local to people in and around Duluth.
Keeping an existing Duluth number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 218 when you pick it.
The local business market
Duluth is part of the Duluth, MN-WI metro area, home to 282,000 people in 2024. County Business Patterns counted 7,066 business establishments in the Duluth, MN-WI metro area in 2023, employing 106,305 people. The largest sectors by establishment count are health care and social assistance (1,042), retail trade (1,022), and other services (except public administration) (808).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 228 | 4,847 | 21.3 |
| Limited-service restaurants | 162 | 2,925 | 18.1 |
| Drinking places | 137 | 1,180 | 8.6 |
| Residential remodelers | 135 | 488 | 3.6 |
| Insurance agencies and brokerages | 115 | 468 | 4.1 |
| Plumbing, heating and air-conditioning contractors | 100 | 1,525 | 15.3 |
| Dental offices | 88 | 828 | 9.4 |
| New single-family housing construction contractors | 87 | 274 | 3.1 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Duluth
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.
Porting a number you already use in Duluth 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.
A 15-person team is the benchmark here, the rounded average establishment size in the Duluth, MN-WI metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $450.00 a month and Ooma Office Pro $374.25. Callata comes to $299.00 a month for 15 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 | $299.00 | $3,588.00 |
| Quo (Starter) | $19.00 per user | $285.00 | $3,420.00 |
| Nextiva (Core) | $23.00 per user | $345.00 | $4,140.00 |
| Ooma (Office Pro) | $24.95 per user | $374.25 | $4,491.00 |
| Dialpad (Standard) | $27.00 per user | $405.00 | $4,860.00 |
| RingCentral (RingEX Core) | $30.00 per user | $450.00 | $5,400.00 |
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 Duluth, MN?
218. All exchanges NANPA lists for Duluth are in 218.
How many phone companies have exchanges in Duluth?
35, holding 79 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Duluth 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 Duluth?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 15 users come to $299.00 a month. For comparison, 15 users on RingCentral RingEX Core list at $450.00 a month (checked September 28, 2026).