309 area code
Peoria area, Central Time.Area code 309 covers Peoria, Bloomington, Rock Island and 168 more places in Illinois, on Central Time. 861 covers the same area.
Right now in Peoria
Central Time (CST, UTC-6; CDT, UTC-5 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
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Where 309 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 309 has 171. Each one's share is how many 309 numbers start there.
- Peoria20%
- Bloomington10%
- Rock Island5%
- Macomb3%
- Galesburg3%
- Moline2%
- Pekin2%
- East Moline2%
Also: Canton, Kewanee, Monmouth, Morton, Geneseo, Mossville, Aledo, South Pekin, Washington, Wyoming, Chillicothe, Farmington + 151 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 309 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 309 number to them, since you can't tell a work line from a personal cell.
What applies to 309Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
309 and 861
309 went into service on January 1, 1957. 309 and 861 cover the same area, so new numbers can get either code and neighbors can have different area codes. 309 holds 100% of the area's exchanges; 861 holds the rest. Local calls take all 10 digits.
- 1957309 starts
- 2023861 overlay
Source: NANPA area code database
Calling a list of 309 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
309 area code FAQ
What area code is 309?
309 is an Illinois area code for Peoria, Bloomington, Rock Island, Macomb and 167 more places.
What time zone is the 309 area code in?
Central Time (CST, UTC-6; CDT, UTC-5 in summer).
Is 861 the same as 309?
Same area, different code. 309 and 861 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 309 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 309 area code start?
On January 1, 1957.
Calling 309 numbers? Reach more of them.
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