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Get a local business phone number in Port Byron, IL

Port Byron's area code, prefixes and carriers from NANPA records, and how to put a Port Byron number in front of your customers.

Area code
309
Exchanges
2NANPA-assigned
Carriers
2
Population
1,643Census 2024 est.

What area code is Port Byron, IL?

Port Byron, in Rock Island County, Illinois, had a Census-estimated population of 1,643 in July 2024. All 2 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 Port Byron may carry any of those codes depending on which have numbers available. Port Byron 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 codes with exchanges in Port Byron, IL
Area codeExchanges hereShareIn service sinceOverlay withTime zone
3092100%1957861Central

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Port Byron exchanges by carrier

2 carriers hold the 2 exchanges assigned to Port Byron's rate center. Citizens Telecom CO Illinois-frontier Citizens -il has the most, with 1. 1 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.

Carriers holding exchanges in Port Byron, IL
Carrier (NANPA operating company)ExchangesShare
Citizens Telecom CO Illinois-frontier Citizens -il150%
Mediacom Telephony of Illinois, LLC - Il150%

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.

Port Byron phone prefixes

These are the central office codes NANPA records for Port Byron. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2005. None were assigned in 2020 or later.

Prefixes assigned in Port Byron, IL
Area codePrefixes (NXX)
309523, 848

Source: NANPA utilized central office code file.

Rate centers and local calling in Port Byron

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Port Byron's numbers are rated to the PORT BYRON rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Port Byron number.

If your business already has a Port Byron number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Who does business near Port Byron

Port Byron 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).

Selected industries in the Davenport, IA-IL metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants3255,60517.2
Limited-service restaurants3186,46220.3
Physician practices1924,02220.9
Insurance agencies and brokerages1808044.5
Drinking places1489646.5
Landscaping services1444973.5
Law offices1296475.0
Dental offices1271,1989.4

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

A Port Byron number on Callata

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 Port Byron, 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.

Monthly list price for a 19-person team
Provider (plan)Pricing basisPer monthPer 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 Port Byron, IL?

309. All exchanges NANPA lists for Port Byron are in 309.

How many phone companies have exchanges in Port Byron?

2, holding 2 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Port Byron 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 Port Byron?

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).