Rio, Illinois Phone Lookup
Find the owner of any phone number in Rio, Illinois.
What Phone Numbers Are in Rio, Illinois?
Looking up a phone number in Rio, Illinois? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Rio is served by 1 area code and has 3 active phone prefixes.
Area Codes Serving Rio
Phone numbers in Rio, Illinois use the following area code: 309.
Top Phone Carriers in Rio
The most common phone service providers in Rio include:
- Citizens Telecom Co Illinois-frontier Citizens -il
- Onvoy, Llc
Data current as of March 2026
Nearby Cities in Illinois
Other cities in Illinois that share area codes with Rio:
Rio at a Glance
Demographics
- White 92.7%
- Black 1.5%
- Hispanic 7.3%
- Asian 0%
- Other 0%
Financial Profile
Frequently Asked Questions
What Area Codes Serve Rio, Illinois?
Phone numbers in Rio, Illinois use 1 area code: 309. These area codes are shared with other cities in the region. Rio 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 Rio, Illinois?
To look up any phone number in Rio, 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 Rio 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 Rio?
Rio, 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 Citizens Telecom Co Illinois-frontier Citizens -il, Onvoy, Llc. 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.