Eureka, Illinois Phone Lookup

Q: How do I look up a phone number in Eureka, 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 Eureka.

Q: What types of phone numbers are in Eureka?

Eureka has both wireless and landline numbers. Approximately 0% of prefixes are wireless, with 100% being landline or VoIP. 411FCC results identify the line type and carrier for any number searched.

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

What Phone Numbers Are in Eureka, Illinois?

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

1 Area Code

3 Phone Prefixes

0% Wireless

100% Landline

Area Codes Serving Eureka

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

Top Phone Carriers in Eureka

The most common phone service providers in Eureka include:

Frontier North, Inc. - Il
Onvoy, Llc
Mcimetro Access Transmission Services Llc - Il
Mediacom Telephony Of Illinois, Llc - Il
Stratus Networks

Data current as of March 2026

Nearby Cities in Illinois

Other cities in Illinois that share area codes with Eureka:

Eureka at a Glance

5,007 Population

42.2 Median Age

$56,048 Median Income

2,353 Housing Units

72% Homeownership

Demographics

White 93.3%
Black 1.8%
Hispanic 2.8%
Asian 0.5%
Other 1.7%

Financial Profile

$86,259 Avg. Income per Return

$54,328 Avg. Wages per Return

2,900 Tax Returns Filed

1 ZIP Codes

Frequently Asked Questions

What Area Codes Serve Eureka, Illinois?

Phone numbers in Eureka, Illinois use 1 area code: 309. These area codes are shared with other cities in the region. Eureka 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 Eureka, Illinois?

To look up any phone number in Eureka, 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 Eureka 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 Eureka?

Eureka, Illinois has both wireless and landline phone numbers. Approximately 0% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 100% being landline or VoIP. Major carriers serving the area include Frontier North, Inc. - Il, Onvoy, Llc, Mcimetro Access Transmission Services 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.