Belvidere, Illinois Phone Lookup
Find the owner of any phone number in Belvidere, Illinois.
What Phone Numbers Are in Belvidere, Illinois?
Looking up a phone number in Belvidere, Illinois? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Belvidere is served by 2 area codes and has 10 active phone prefixes.
Area Codes Serving Belvidere
Phone numbers in Belvidere, Illinois use the following area codes: 779, 815.
Top Phone Carriers in Belvidere
The most common phone service providers in Belvidere include:
- New Cingular Wireless Pcs, Llc - Il
- Onvoy, Llc
- Level 3 Communications, Llc - Il
- Aero North Communications, Inc. - Il
- Nuso, Llc
Data current as of February 2026
Nearby Cities in Illinois
Other cities in Illinois that share area codes with Belvidere:
Belvidere at a Glance
Demographics
- White 62.2%
- Black 3.4%
- Hispanic 35.3%
- Asian 1.1%
- Other 0%
Financial Profile
Frequently Asked Questions
What Area Codes Serve Belvidere, Illinois?
Phone numbers in Belvidere, Illinois use 2 area codes: 779, 815. These area codes are shared with other cities in the region. Belvidere has 10 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 Belvidere, Illinois?
To look up any phone number in Belvidere, 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 Belvidere 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 Belvidere?
Belvidere, Illinois has both wireless and landline phone numbers. Approximately 31% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 69% being landline or VoIP. Major carriers serving the area include New Cingular Wireless Pcs, Llc - Il, Onvoy, Llc, Level 3 Communications, 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.