CallataGuidesGet a local business phone number in Hermann, MO
Hermann's area code, prefixes and carriers from NANPA records, and how to put a Hermann number in front of your customers.
- Area code
- 573
- Exchanges
- 3NANPA-assigned
- Carriers
- 3
- Population
- 2,192Census 2024 est.
What area code is Hermann, MO?
Hermann city is a Census place in Gasconade County, Missouri, with an estimated 2,192 residents in 2024. All 3 exchanges NANPA lists for its rate center are in area code 573. 573 is part of an overlay with 235, so a new local number in Hermann may carry any of those codes depending on which have numbers available. Hermann is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 573 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 |
|---|---|---|---|---|---|
| 573 | 3 | 100% | 1996 | 235 | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Hermann
3 carriers hold the 3 exchanges assigned to Hermann's rate center. Mcimetro Access Transmission Services LLC - Mo has the most, with 1. 3 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Hermann can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Mcimetro Access Transmission Services LLC - Mo | 1 | 33% |
| Brightspeed of Missouri, LLC | 1 | 33% |
| Onvoy, LLC - Mo | 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.
Exchanges (NPA-NXX) assigned in Hermann
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Hermann's rate center (HERMANN). The earliest assignment date recorded in the file for these codes is 2013. 1 of the 3 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 573 | 409, 486, 871 |
Source: NANPA utilized central office code file.
When Hermann's exchanges were assigned
The table groups Hermann's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 1 | 50% |
| 2020s | 1 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Hermann
NANPA ties every exchange to a rate center. For Hermann that is HERMANN, so a number from one of these exchanges reads as local to people in and around Hermann.
New local numbers are drawn from carrier inventory, so the exact 573 numbers available change over time; porting an existing number is free.
Who does business near Hermann
Hermann 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 Hermann
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 Hermann 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 17-person team is the benchmark here, the rounded average establishment size in Missouri. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. 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 Hermann, MO?
573. All exchanges NANPA lists for Hermann are in 573.
How many phone companies have exchanges in Hermann?
3, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Hermann 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 Hermann?
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).