CallataGuidesGet a local business phone number in Geneseo, IL
Geneseo's area code, prefixes and carriers from NANPA records, and how to put a Geneseo number in front of your customers.
- Area code
- 309
- Exchanges
- 7NANPA-assigned
- Carriers
- 4
- Population
- 7,499Census 2024 est.
Geneseo area codes
Geneseo, in Henry County, Illinois, had a Census-estimated population of 7,499 in July 2024. All 7 exchanges NANPA lists for its rate center are in area code 309. 309 is part of an overlay with 861, so a new local number in Geneseo may carry any of those codes depending on which have numbers available. Geneseo is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 309 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 |
|---|---|---|---|---|---|
| 309 | 7 | 100% | 1957 | 861 | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Geneseo exchanges by carrier
4 carriers hold the 7 exchanges assigned to Geneseo's rate center. Geneseo Tel. CO. has the most, with 3. 6 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 |
|---|---|---|
| Geneseo Tel. CO. | 3 | 43% |
| T-mobile USA, INC. | 2 | 29% |
| United States Cellular - Il | 1 | 14% |
| Cellco Partnership d/b/a Verizon Wireless - Il | 1 | 14% |
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.
Geneseo phone prefixes
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Geneseo's rate center (GENESEO). The earliest assignment date recorded in the file for these codes is 2002. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 309 | 489, 502, 507, 714, 944, 945, 946 |
Source: NANPA utilized central office code file.
How local numbers work in Geneseo
NANPA ties every exchange to a rate center. For Geneseo that is GENESEO, so a number from one of these exchanges reads as local to people in and around Geneseo.
If your business already has a Geneseo number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
The local business market
Geneseo is part of the Davenport-Moline-Rock Island, IA-IL metro area, home to 382,000 people in 2024. County Business Patterns counted 8,812 business establishments in the Davenport, IA-IL metro area in 2023, employing 166,095 people. The largest sectors by establishment count are retail trade (1,209), health care and social assistance (1,083), and accommodation and food services (1,003).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 325 | 5,605 | 17.2 |
| Limited-service restaurants | 318 | 6,462 | 20.3 |
| Physician practices | 192 | 4,022 | 20.9 |
| Insurance agencies and brokerages | 180 | 804 | 4.5 |
| Drinking places | 148 | 964 | 6.5 |
| Landscaping services | 144 | 497 | 3.5 |
| Law offices | 129 | 647 | 5.0 |
| Dental offices | 127 | 1,198 | 9.4 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Geneseo
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 Geneseo, 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Davenport, IA-IL metro area, 19 users on RingCentral RingEX Core come to $570.00 a month and on Ooma Office Pro $474.05, at month-to-month list prices checked September 28, 2026. 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 Geneseo, IL?
309. All exchanges NANPA lists for Geneseo are in 309.
How many phone companies have exchanges in Geneseo?
4, holding 7 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Geneseo 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 Geneseo?
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).