Naperville, Illinois Phone Lookup
Find the owner of any phone number in Naperville, Illinois.
What Phone Numbers Are in Naperville, Illinois?
Looking up a phone number in Naperville, Illinois? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Naperville is served by 2 area codes and has 106 active phone prefixes.
Area Codes Serving Naperville
Phone numbers in Naperville, Illinois use the following area codes: 331, 630.
Top Phone Carriers in Naperville
The most common phone service providers in Naperville include:
- Cellco Partnership Dba Verizon Wireless - Il
- T-mobile Usa, Inc.
- Illinois Bell Tel Co
- New Cingular Wireless Pcs, Llc - Il
- Onvoy, Llc
Data current as of March 2026
Nearby Cities in Illinois
Other cities in Illinois that share area codes with Naperville:
Naperville at a Glance
Demographics
- White 62.8%
- Black 4.3%
- Hispanic 7.6%
- Asian 22.5%
- Other 2.8%
Financial Profile
Frequently Asked Questions
What Area Codes Serve Naperville, Illinois?
Phone numbers in Naperville, Illinois use 2 area codes: 331, 630. These area codes are shared with other cities in the region. Naperville has 106 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 Naperville, Illinois?
To look up any phone number in Naperville, 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 Naperville 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 Naperville?
Naperville, Illinois has both wireless and landline phone numbers. Approximately 48% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 52% being landline or VoIP. Major carriers serving the area include Cellco Partnership Dba Verizon Wireless - Il, T-mobile Usa, Inc., Illinois Bell Tel Co. 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.