CallataGuidesGet a local business phone number in De Graff, OH
De Graff's area codes, prefixes and carriers from NANPA records, and how to put a De Graff number in front of your customers.
- Area code
- 937 / 326
- Exchanges
- 3NANPA-assigned
- Carriers
- 3
- Population
- 1,258Census 2024 est.
Area codes in De Graff
De Graff village is a Census place in Logan County, Ohio, with an estimated 1,258 residents in 2024. NANPA lists 3 exchanges for its rate center across 2 area codes; 937 has the most (2, 67%). 937 is part of an overlay with 326, so a new local number in De Graff may carry any of those codes depending on which have numbers available. De Graff is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 937 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in De Graff
3 carriers hold the 3 exchanges assigned to De Graff'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 De Graff 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 | 33% |
| Level 3 Communications, LLC - Oh | 1 | 33% |
| Brightspeed of Northwest Ohio, INC. | 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 De Graff
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to De Graff. The earliest assignment date recorded in the file for these codes is 2002. 1 of the 3 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 326 | 345 |
| 937 | 582, 585 |
Source: NANPA utilized central office code file.
When De Graff's exchanges were assigned
Assignment dates show when each block of De Graff numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 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 De Graff
NANPA ties every exchange to a rate center. For De Graff that is DE GRAFF, so a number from one of these exchanges reads as local to people in and around De Graff.
If your business already has a De Graff number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
The local business market
De Graff is part of the Bellefontaine, OH micropolitan area, home to 46,085 people in 2024. County Business Patterns counted 872 business establishments in the Bellefontaine, OH micropolitan area in 2023, employing 17,202 people. The largest sectors by establishment count are retail trade (151), other services (except public administration) (116), and accommodation and food services (102).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 36 | 835 | 23.2 |
| Full-service restaurants | 31 | 563 | 18.2 |
| Physician practices | 23 | — | — |
| General automotive repair shops | 21 | 64 | 3.0 |
| Insurance agencies and brokerages | 14 | 55 | 3.9 |
| Site preparation contractors | 13 | 67 | 5.2 |
| Residential remodelers | 12 | 42 | 3.5 |
| Supermarkets and grocery stores | 12 | 293 | 24.4 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in De Graff
For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.
If you already have a number in De Graff, 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 20 users, the rounded average establishment size in the Bellefontaine, OH micropolitan area. At list prices checked September 28, 2026, that is $499.00 a month on Ooma Office Pro and $600.00 on RingCentral RingEX Core. On Callata the same 20 people cost $399.00 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 | $399.00 | $4,788.00 |
| Quo (Starter) | $19.00 per user | $380.00 | $4,560.00 |
| Nextiva (Core) | $23.00 per user | $460.00 | $5,520.00 |
| Ooma (Office Pro) | $24.95 per user | $499.00 | $5,988.00 |
| Dialpad (Standard) | $27.00 per user | $540.00 | $6,480.00 |
| RingCentral (RingEX Core) | $30.00 per user | $600.00 | $7,200.00 |
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 De Graff, OH?
De Graff has exchanges in 937 and 326; 937 has the most.
How many phone companies have exchanges in De Graff?
3, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing De Graff 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 De Graff?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 20 users come to $399.00 a month. For comparison, 20 users on RingCentral RingEX Core list at $600.00 a month (checked September 28, 2026).