Get a local business phone number in Johnston, OH
Johnston's area codes, prefixes and carriers from NANPA records, and how to put a Johnston number in front of your customers.
- Area code
- 234 / 330
- Exchanges
- 2NANPA-assigned
- Carriers
- 2
- Population
- 1,732Census 2024 est.
Area codes in Johnston
With 1,732 residents in the Census 2024 estimate, Johnston sits in Trumbull County, Ohio. NANPA lists 2 exchanges for its rate center across 2 area codes; 234 has the most (1, 50%). 234 is part of an overlay with 330, so a new local number in Johnston may carry any of those codes depending on which have numbers available. Johnston is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 234 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Who holds Johnston phone exchanges
2 carriers hold the 2 exchanges assigned to Johnston's rate center. Fractel, LLC has the most, with 1. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Johnston can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Fractel, LLC | 1 | 50% |
| Brightspeed of Northwest Ohio, INC. | 1 | 50% |
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.
Johnston phone prefixes
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Johnston. The earliest assignment date recorded in the file for these codes is 2020. 1 of the 2 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 234 | 966 |
| 330 | 924 |
Source: NANPA utilized central office code file.
How local numbers work in Johnston
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Johnston's numbers are rated to the JOHNSTON rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Johnston number.
If your business already has a Johnston number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Who does business near Johnston
Johnston is part of the Youngstown-Warren, OH metro area, home to 426,000 people in 2024. County Business Patterns counted 9,191 business establishments in the Youngstown, OH metro area in 2023, employing 139,977 people. The largest sectors by establishment count are retail trade (1,433), health care and social assistance (1,244), and other services (except public administration) (1,051).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 421 | 7,643 | 18.2 |
| Full-service restaurants | 290 | 6,827 | 23.5 |
| Physician practices | 229 | 3,540 | 15.5 |
| Insurance agencies and brokerages | 172 | 718 | 4.2 |
| Landscaping services | 169 | 484 | 2.9 |
| Law offices | 158 | 582 | 3.7 |
| Dental offices | 131 | 1,025 | 7.8 |
| General automotive repair shops | 101 | 415 | 4.1 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Johnston business line
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 Johnston 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 Youngstown, OH 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 Johnston, OH?
Johnston has exchanges in 234 and 330; 234 has the most.
How many phone companies have exchanges in Johnston?
2, holding 2 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Johnston 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 Johnston?
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).