Every US area code, explainedUnited States · +1
AREA CODE · ILLINOIS

Area code 309

Area code 309 covers Peoria, Illinois. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Illinois Major City: Peoria Central Time (CT) Overlay: 309/861
01 / WHERE IT IS

Where is area code 309?

Area code 309 is assigned to Peoria and the surrounding region in Illinois. Calls to numbers that start with 309 are routed to this area.

Area code 309 shares its territory with 861. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Peoria CountyMcLean CountyRock Island CountyTazewell CountyHenry CountyKnox CountyFulton CountyMcDonough CountyWoodford CountyMercer CountyWarren CountyMason County

Line types

  • Mobile 17.46%
  • Landline 82.54%
02 / MAP

Area code 309 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Peoria

This area code is in the Central Time (CT) time zone.

Local timePeoria, IL--:--:--

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04 / HOW TO DIAL

How to call Peoria

WITHIN THE US309 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 309 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 309 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 309 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 309 555 0123
🇦🇺Australia0011 1 309 555 0123
🇯🇵Japan010 1 309 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 309

Share of the number blocks by carrier and line type.

Landline

Frontier Communications
22%
AT&T
16%
Lumen Technologies
11%
Mediacom
7%
ITV-3 D/B/A I3 BROADBAND
6%
Others
37%

Mobile

Verizon Wireless
33%
AT&T Mobility
21%
T-MOBILE USA
19%
UScellular
17%
Sinch
5%
Others
4%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 309

779 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(309) 200 Landline Bloomington magicJackYMAX COMMUNICATIONS CORP. - IL
(309) 201 Mobile Pekin UScellularUNITED STATES CELLULAR - IL
(309) 202 Mobile Pekin Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
(309) 203 Mobile East Moline AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(309) 204 Landline Spring Bay BandwidthBANDWIDTH.COM CLEC, LLC - IL
(309) 205 Landline Bloomington Lumen TechnologiesCENTURYLINK COMMUNICATIONS, LLC
(309) 206 Landline Rock Island AT&TILLINOIS BELL TEL CO
(309) 207 Mobile Illinois City Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
(309) 208 Mobile Peoria T-MOBILE USAT-MOBILE USA, INC.
(309) 209 Landline Macomb NusoNUSO, LLC

Showing 10 of 779 prefixes

07 / FAQ

Frequently asked questions about area code 309

Where is area code 309 used?
Area code 309 serves Peoria and the surrounding area in Illinois, including Peoria County, McLean County, Rock Island County, Tazewell County, Henry County.
What city is area code 309 from?
The main city of area code 309 is Peoria, IL.
What time zone is area code 309 in?
Area code 309 is in the Central Time (CT) time zone (America/Chicago).
Is 309 an overlay area code?
Yes. It shares its territory with 861. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 309 from the United States?
Dial the 10 digits: 309 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 309 number from another country?
Dial your country's exit code (or +), then 1, then 309 and the seven-digit number. From a mobile you can use +1 309 XXX XXXX.
Which carriers use area code 309?
Most landline blocks belong to Frontier Communications and most mobile blocks to Verizon Wireless. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 309 for landlines, mobiles or both?
Both. About 82.54% of the number blocks are landline, 17.46% mobile.
How do I save a 309 number in WhatsApp or my phone?
Save it in international format: +1 309 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 309?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

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