CallataGuidesGet a local business phone number in Milan, MO
Milan's area code, prefixes and carriers from NANPA records, and how to put a Milan number in front of your customers.
- Area code
- 660
- Exchanges
- 4NANPA-assigned
- Carriers
- 2
- Population
- 1,749Census 2024 est.
What area code is Milan, MO?
Milan, in Sullivan County, Missouri, had a Census-estimated population of 1,749 in July 2024. All 4 exchanges NANPA lists for its rate center are in area code 660. Milan is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 660 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 |
|---|---|---|---|---|---|
| 660 | 4 | 100% | 1997 | none | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Milan
2 carriers hold the 4 exchanges assigned to Milan's rate center. Windstream Missouri, INC. has the most, with 3. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Windstream Missouri, INC. | 3 | 75% |
| Cellco Partnership d/b/a Verizon Wireless - Mo | 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.
Local prefixes for Milan
These are the central office codes NANPA records for Milan. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2006. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 660 | 265, 292, 348, 445 |
Source: NANPA utilized central office code file.
When Milan's exchanges were assigned
The table groups Milan's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 50% |
| 2010s | 1 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Milan
What a caller sees as "local" is the area code plus prefix. In Milan, those come from the MILAN rate center, as recorded by NANPA.
If your business already has a Milan number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Who does business near Milan
Milan is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 151,475 business establishments in Missouri in 2023, employing 2,631,543 people. The largest sectors by establishment count are health care and social assistance (20,637), retail trade (19,971), and other services (except public administration) (15,950).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 4,814 | 98,624 | 20.5 |
| Full-service restaurants | 4,522 | 101,104 | 22.4 |
| Agencies providing services for the elderly and persons with disabilities | 3,454 | 29,360 | 8.5 |
| Insurance agencies and brokerages | 3,330 | 19,059 | 5.7 |
| Physician practices | 3,042 | 40,939 | 13.5 |
| Law offices | 2,759 | 18,479 | 6.7 |
| Offices of real estate agents and brokers | 2,550 | 6,531 | 2.6 |
| Landscaping services | 2,199 | 13,201 | 6.0 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Milan
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 Milan 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 Missouri, 17 users on RingCentral RingEX Core come to $510.00 a month and on Ooma Office Pro $424.15, at month-to-month list prices checked September 28, 2026. Callata comes to $339.00 a month for 17 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 | $339.00 | $4,068.00 |
| Quo (Starter) | $19.00 per user | $323.00 | $3,876.00 |
| Nextiva (Core) | $23.00 per user | $391.00 | $4,692.00 |
| Ooma (Office Pro) | $24.95 per user | $424.15 | $5,089.80 |
| Dialpad (Standard) | $27.00 per user | $459.00 | $5,508.00 |
| RingCentral (RingEX Core) | $30.00 per user | $510.00 | $6,120.00 |
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 Milan, MO?
660. All exchanges NANPA lists for Milan are in 660.
How many phone companies have exchanges in Milan?
2, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Milan 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 Milan?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).