309 Area Code

The 309 area code is part of the North American Numbering Plan (NANP) and serves central and western regions of Illinois, USA. Established in 1957 after splitting from area code 217, 309 covers several cities, towns, and rural areas across central Illinois. It is used for residential, business, and government telecommunications.

Understanding the 309 Area Code

The 309 area code covers major cities such as Peoria, Bloomington, Normal, Galesburg, Moline, East Moline, and Rock Island. The code is used for landline phones, mobile phones, VoIP services, and business telecommunication systems. Local calls within 309 typically require 7-digit dialing, while long-distance calls use 10-digit dialing.

309 Area Code Map and Geographic Location

The 309 area code map spans central and western Illinois, covering portions of the Illinois River Valley, Quad Cities, and surrounding rural areas. It includes urban centers, suburban communities, agricultural zones, and industrial regions. The area code is located in the Central Time Zone.

All Major Cities and Regions in the 309 Area Code

  • Peoria
  • Bloomington
  • Normal
  • Galesburg
  • Moline
  • East Moline
  • Rock Island
  • Macomb
  • Chillicothe

Counties Covered by the 309 Area Code

  • Peoria County
  • McLean County
  • Rock Island County
  • Macon County
  • Knox County
  • Woodford County
  • Marshall County
  • Henry County
  • Mercer County
  • Bureau County

ZIP Codes within the 309 Telephone Zone (Examples)

  • 61602 - Peoria
  • 61701 - Bloomington
  • 61761 - Normal
  • 61401 - Galesburg
  • 61265 - Moline
  • 61244 - East Moline
  • 61201 - Rock Island
  • 61455 - Macomb
  • 61523 - Chillicothe

Time Zone

The 309 area code is located in the Central Time Zone (CT), observing Central Standard Time (CST, UTC-6) in winter and Central Daylight Time (CDT, UTC-5) during daylight saving time.

Dialing, Phone & Service Details

  • Local dialing: 7-digit dialing is commonly used for calls within 309.
  • Long-distance calls within the USA: Dial 1 + 309 + 7-digit number.
  • International calls: Dial your country�s exit code + 1 + 309 + 7-digit number.
  • Services: The 309 area code is used for landlines, mobile phones, VoIP, and business telecommunications.

Why the 309 Area Code Matters

The 309 area code is essential for central and western Illinois, connecting economic, educational, and cultural hubs. It serves universities, government offices, industrial regions, and agricultural communities. The area code is a key identifier for the region and is widely recognized within Illinois.

What area code is 309? / Where's area code 309?

What area code is 309? � 309 is the telephone area code for central and western Illinois, including Peoria, Bloomington, Normal, and the Quad Cities.

Where's area code 309? � It is located in central and western Illinois, USA, covering numerous cities, towns, and rural areas.

Frequently Asked Questions (FAQ) about 309 Area Code

What is the 309 area code?

309 serves central and western Illinois, including major cities such as Peoria, Bloomington, Normal, and Moline.

When was the 309 area code created?

It was established in 1957 after splitting from area code 217.

Where is area code 309 located?

It is located in central and western Illinois, USA.

What time zone is 309 in?

The 309 area code follows Central Time (CST/CDT).

Which counties are included in 309?

Peoria, McLean, Rock Island, Macon, Knox, Woodford, Marshall, Henry, Mercer, Bureau, and surrounding counties.

309 Area Code