CallataGuidesGet a local business phone number in St. Joseph, IN
St. Joseph's area codes, prefixes and carriers from NANPA records, and how to put a St. Joseph number in front of your customers.
- Area code
- 812 / 930
- Exchanges
- 4NANPA-assigned
- Carriers
- 4
- Population
- 79,115Census 2024 est.
St. Joseph area codes
St. Joseph, in Allen County, Indiana, had a Census-estimated population of 79,115 in July 2024. NANPA lists 4 exchanges for its rate center across 2 area codes; 812 has the most (3, 75%). 812 is part of an overlay with 930, so a new local number in St. Joseph may carry any of those codes depending on which have numbers available. St. Joseph is in the Eastern and Central time zone.
According to NANPA's dialing-plan data, local calls within 812 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in St. Joseph
4 carriers hold the 4 exchanges assigned to St. Joseph's rate center. AT&T Enterprises, LLC has the most, with 1. 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 |
|---|---|---|
| AT&T Enterprises, LLC | 1 | 25% |
| TWC Ip Enabled Services, LLC | 1 | 25% |
| Indiana Bell Tel CO INC | 1 | 25% |
| Onvoy, LLC - In | 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.
Exchanges (NPA-NXX) assigned in St. Joseph
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to St. Joseph's rate center (ST JOSEPH). The earliest assignment date recorded in the file for these codes is 2011. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 812 | 370, 624, 963 |
| 930 | 229 |
Source: NANPA utilized central office code file.
How local numbers work in St. Joseph
NANPA ties every exchange to a rate center. For St. Joseph that is ST JOSEPH, so a number from one of these exchanges reads as local to people in and around St. Joseph.
Keeping an existing St. Joseph number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 812 when you pick it.
The local business market
St. Joseph is part of the Fort Wayne, IN metro area, home to 463,000 people in 2024. County Business Patterns counted 11,053 business establishments in the Fort Wayne, IN metro area in 2023, employing 213,456 people. The largest sectors by establishment count are retail trade (1,389), health care and social assistance (1,340), and other services (except public administration) (1,205).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 355 | 8,260 | 23.3 |
| Full-service restaurants | 287 | 7,838 | 27.3 |
| Offices of real estate agents and brokers | 234 | 508 | 2.2 |
| Insurance agencies and brokerages | 233 | 1,802 | 7.7 |
| Physician practices | 200 | 7,934 | 39.7 |
| Landscaping services | 189 | 1,394 | 7.4 |
| Residential remodelers | 170 | 744 | 4.4 |
| Plumbing, heating and air-conditioning contractors | 162 | 3,348 | 20.7 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a St. Joseph 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.
If you already have a number in St. Joseph, 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.
The comparison below uses 19 users, the rounded average establishment size in the Fort Wayne, IN metro area. At list prices checked September 28, 2026, that is $474.05 a month on Ooma Office Pro and $570.00 on RingCentral RingEX Core. On Callata the same 19 people cost $379.00 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 | $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 St. Joseph, IN?
St. Joseph has exchanges in 812 and 930; 812 has the most.
How many phone companies have exchanges in St. Joseph?
4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing St. Joseph 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 St. Joseph?
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).