CallataGuidesGet a local business phone number in Granville, IL
Granville's area codes, prefixes and carriers from NANPA records, and how to put a Granville number in front of your customers.
- Area code
- 779 / 815
- Exchanges
- 2NANPA-assigned
- Carriers
- 2
- Population
- 2,753Census 2024 est.
Area codes in Granville
Granville, in Putnam County, Illinois, had a Census-estimated population of 2,753 in July 2024. NANPA lists 2 exchanges for its rate center across 2 area codes; 779 has the most (1, 50%). 779 is part of an overlay with 815, so a new local number in Granville may carry any of those codes depending on which have numbers available. Granville is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 779 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
Phone carriers in Granville
2 carriers hold the 2 exchanges assigned to Granville'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. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Fractel, LLC | 1 | 50% |
| Frontier North, INC. - Il | 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.
Exchanges (NPA-NXX) assigned in Granville
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Granville. 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) |
|---|---|
| 779 | 946 |
| 815 | 339 |
Source: NANPA utilized central office code file.
How local numbers work in Granville
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Granville's numbers are rated to the GRANVILLE rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Granville number.
New local numbers are drawn from carrier inventory, so the exact 779 numbers available change over time; porting an existing number is free.
The local business market
Granville is part of the Ottawa, IL micropolitan area, home to 147,000 people in 2024. County Business Patterns counted 3,355 business establishments in the Ottawa, IL micropolitan area in 2023, employing 44,039 people. The largest sectors by establishment count are retail trade (486), accommodation and food services (429), and other services (except public administration) (403).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 148 | 1,643 | 11.1 |
| Limited-service restaurants | 105 | 1,866 | 17.8 |
| Drinking places | 91 | 410 | 4.5 |
| Insurance agencies and brokerages | 67 | 234 | 3.5 |
| General automotive repair shops | 55 | 282 | 5.1 |
| Landscaping services | 54 | 139 | 2.6 |
| General freight trucking companies (local) | 53 | 158 | 3.0 |
| Law offices | 52 | 223 | 4.3 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Granville
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 Granville, 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 13 users, the rounded average establishment size in the Ottawa, IL micropolitan area. At list prices checked September 28, 2026, that is $324.35 a month on Ooma Office Pro and $390.00 on RingCentral RingEX Core. On Callata the same 13 people cost $259.00 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 | $259.00 | $3,108.00 |
| Quo (Starter) | $19.00 per user | $247.00 | $2,964.00 |
| Nextiva (Core) | $23.00 per user | $299.00 | $3,588.00 |
| Ooma (Office Pro) | $24.95 per user | $324.35 | $3,892.20 |
| Dialpad (Standard) | $27.00 per user | $351.00 | $4,212.00 |
| RingCentral (RingEX Core) | $30.00 per user | $390.00 | $4,680.00 |
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 Granville, IL?
Granville has exchanges in 779 and 815; 779 has the most.
How many phone companies have exchanges in Granville?
2, holding 2 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Granville 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 Granville?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 13 users come to $259.00 a month. For comparison, 13 users on RingCentral RingEX Core list at $390.00 a month (checked September 28, 2026).