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Princeton, Illinois Phone Lookup

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

What Phone Numbers Are in Princeton, Illinois?

Looking up a phone number in Princeton, Illinois? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Princeton is served by 2 area codes and has 11 active phone prefixes.

2 Area Codes
11 Phone Prefixes
46% Wireless
54% Landline

Area Codes Serving Princeton

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

Top Phone Carriers in Princeton

The most common phone service providers in Princeton include:

  • Frontier North, Inc. - Il
  • New Cingular Wireless Pcs, Llc - Il
  • Cellco Partnership Dba Verizon Wireless - Il
  • Onvoy Spectrum, Llc
  • Level 3 Communications, Llc - Il

Data current as of March 2026

Nearby Cities in Illinois

Other cities in Illinois that share area codes with Princeton:

Princeton at a Glance

7,975 Population
46.0 Median Age
$61,946 Median Income
3,863 Housing Units
69% Homeownership

Demographics

  • White 89.2%
  • Black 1.1%
  • Hispanic 5.3%
  • Asian 1.3%
  • Other 3.3%

Financial Profile

$73,046 Avg. Income per Return
$43,913 Avg. Wages per Return
5,340 Tax Returns Filed
1 ZIP Codes

Frequently Asked Questions

What Area Codes Serve Princeton, Illinois?

Phone numbers in Princeton, Illinois use 2 area codes: 779, 815. These area codes are shared with other cities in the region. Princeton has 11 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 Princeton, Illinois?

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

Princeton, Illinois has both wireless and landline phone numbers. Approximately 46% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 54% being landline or VoIP. Major carriers serving the area include Frontier North, Inc. - Il, New Cingular Wireless Pcs, Llc - Il, Cellco Partnership Dba Verizon Wireless - 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.