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Joliet, Illinois Phone Lookup

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

What Phone Numbers Are in Joliet, Illinois?

Looking up a phone number in Joliet, Illinois? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Joliet is served by 2 area codes and has 87 active phone prefixes.

2 Area Codes
87 Phone Prefixes
70% Wireless
30% Landline

Area Codes Serving Joliet

Phone numbers in Joliet, Illinois use the following area codes: 779, 815.

Top Phone Carriers in Joliet

The most common phone service providers in Joliet include:

  • T-mobile Usa, Inc.
  • Metropcs, Inc.
  • New Cingular Wireless Pcs, Llc - Il
  • Cellco Partnership Dba Verizon Wireless - Il
  • Bandwidth.com Clec, Llc - Il

Data current as of March 2026

Nearby Cities in Illinois

Other cities in Illinois that share area codes with Joliet:

Joliet at a Glance

150,445 Population
35.8 Median Age
$92,201 Median Income
53,814 Housing Units
74% Homeownership

Demographics

  • White 49.9%
  • Black 16.3%
  • Hispanic 34.2%
  • Asian 2.5%
  • Other 0%

Financial Profile

$66,120 Avg. Income per Return
$52,650 Avg. Wages per Return
86,030 Tax Returns Filed
6 ZIP Codes

Frequently Asked Questions

What Area Codes Serve Joliet, Illinois?

Phone numbers in Joliet, Illinois use 2 area codes: 779, 815. These area codes are shared with other cities in the region. Joliet has 87 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 Joliet, Illinois?

To look up any phone number in Joliet, 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 2 area codes serving Joliet 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 Joliet?

Joliet, Illinois has both wireless and landline phone numbers. Approximately 70% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 30% being landline or VoIP. Major carriers serving the area include T-mobile Usa, Inc., Metropcs, Inc., 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.