Knoxville, Illinois Phone Lookup

Q: How do I look up a phone number in Knoxville, Illinois?

Enter the full 10-digit number into the search box and click Search. 411FCC returns the owner's name, location, carrier, and line type. The lookup covers all 1 area code serving Knoxville.

Q: What types of phone numbers are in Knoxville?

Knoxville has both wireless and landline numbers. Approximately 17% of prefixes are wireless, with 83% being landline or VoIP. 411FCC results identify the line type and carrier for any number searched.

Find the owner of any phone number in Knoxville, Illinois.

What Phone Numbers Are in Knoxville, Illinois?

Looking up a phone number in Knoxville, Illinois? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Knoxville is served by 1 area code and has 3 active phone prefixes.

1 Area Code

3 Phone Prefixes

17% Wireless

83% Landline

Area Codes Serving Knoxville

Phone numbers in Knoxville, Illinois use the following area code: 309.

Top Phone Carriers in Knoxville

The most common phone service providers in Knoxville include:

Brightspeed Of Illinois, Llc
Onvoy, Llc
New Cingular Wireless Pcs, Llc - Il
Comcast Ip Phone, Llc
Teleport Communications America, Llc - Il

Data current as of March 2026

Nearby Cities in Illinois

Other cities in Illinois that share area codes with Knoxville:

Knoxville at a Glance

3,211 Population

42.6 Median Age

$82,863 Median Income

1,446 Housing Units

84% Homeownership

Demographics

White 96%
Black 0.5%
Hispanic 0.2%
Asian 0.1%
Other 3.2%

Financial Profile

$68,889 Avg. Income per Return

$48,184 Avg. Wages per Return

1,830 Tax Returns Filed

1 ZIP Codes

Frequently Asked Questions

What Area Codes Serve Knoxville, Illinois?

Phone numbers in Knoxville, Illinois use 1 area code: 309. These area codes are shared with other cities in the region. Knoxville has 3 active phone prefixes assigned to local carriers. If you received a call from one of these area codes, enter the full 10-digit number into the search box above to find out who called. The area code alone tells you the general geographic region, but a full reverse phone lookup on 411FCC reveals the specific owner, carrier, and line type associated with the number.

How Do I Look Up a Phone Number in Knoxville, Illinois?

To look up any phone number in Knoxville, enter the full 10-digit number into the search box at the top of this page and click Search. 411FCC returns available information about the number including the registered owner's name, location, phone carrier, and whether it is a wireless cell phone, landline, or VoIP line. The lookup covers all 1 area code serving Knoxville and works for numbers from every carrier in the area. Results appear within seconds. 411FCC has maintained its phone number database since 2003.

What Types of Phone Numbers Are in Knoxville?

Knoxville, Illinois has both wireless and landline phone numbers. Approximately 17% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 83% being landline or VoIP. Major carriers serving the area include Brightspeed Of Illinois, Llc, Onvoy, Llc, New Cingular Wireless Pcs, Llc - Il. When you search a phone number on 411FCC, the results identify the line type and carrier, which helps distinguish personal cell phones from business landlines and identify VoIP numbers commonly used by automated calling systems.