Get a local business phone number in Jefferson, OH
Jefferson's area code, prefixes and carriers from NANPA records, and how to put a Jefferson number in front of your customers.
- Area code
- 440
- Exchanges
- 2NANPA-assigned
- Carriers
- 2
- Population
- 16,184Census 2024 est.
What area code is Jefferson, OH?
Jefferson, in Franklin County, Ohio, had a Census-estimated population of 16,184 in July 2024. All 2 exchanges NANPA lists for its rate center are in area code 440. 440 is part of an overlay with 436, so a new local number in Jefferson may carry any of those codes depending on which have numbers available. Jefferson is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 440 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 |
|---|---|---|---|---|---|
| 440 | 2 | 100% | 1997 | 436 | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Jefferson exchanges by carrier
2 carriers hold the 2 exchanges assigned to Jefferson's rate center. Brightspeed of Northwest Ohio, INC. has the most, with 1. 1 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Jefferson can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Brightspeed of Northwest Ohio, INC. | 1 | 50% |
| TWC Ip Enabled Services, LLC | 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.
Jefferson phone prefixes
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Jefferson's rate center (JEFFERSON). The earliest assignment date recorded in the file for these codes is 2007. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 440 | 576, 624 |
Source: NANPA utilized central office code file.
What makes a number local to Jefferson
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Jefferson's numbers are rated to the JEFFERSON rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Jefferson number.
If your business already has a Jefferson number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Businesses around Jefferson
Jefferson is part of the Columbus, OH metro area, home to 2.2 million people in 2024. County Business Patterns counted 46,419 business establishments in the Columbus, OH metro area in 2023, employing 985,064 people. The largest sectors by establishment count are health care and social assistance (6,208), retail trade (5,594), and professional, scientific, and technical services (5,419).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 1,932 | 39,789 | 20.6 |
| Full-service restaurants | 1,399 | 37,471 | 26.8 |
| Physician practices | 1,055 | 20,923 | 19.8 |
| Offices of real estate agents and brokers | 932 | 2,654 | 2.8 |
| Law offices | 836 | 6,289 | 7.5 |
| Dental offices | 801 | 7,022 | 8.8 |
| Insurance agencies and brokerages | 776 | 5,753 | 7.4 |
| Child day care services | 700 | 10,037 | 14.3 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Jefferson
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.
If you already have a number in Jefferson, 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.
A 21-person team is the benchmark here, the rounded average establishment size in the Columbus, OH metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $630.00 a month and Ooma Office Pro $523.95. On Callata the same 21 people cost $419.00 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 | $419.00 | $5,028.00 |
| Quo (Starter) | $19.00 per user | $399.00 | $4,788.00 |
| Nextiva (Core) | $23.00 per user | $483.00 | $5,796.00 |
| Ooma (Office Pro) | $24.95 per user | $523.95 | $6,287.40 |
| Dialpad (Standard) | $27.00 per user | $567.00 | $6,804.00 |
| RingCentral (RingEX Core) | $30.00 per user | $630.00 | $7,560.00 |
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 Jefferson, OH?
440. All exchanges NANPA lists for Jefferson are in 440.
How many phone companies have exchanges in Jefferson?
2, holding 2 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Jefferson 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 Jefferson?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 21 users come to $419.00 a month. For comparison, 21 users on RingCentral RingEX Core list at $630.00 a month (checked September 28, 2026).