Chattanooga, TN Phone Number Lookup

Got a call from an unknown number in Chattanooga or elsewhere in Hamilton County? Use our free lookup tool to identify any 423 number and check whether it has been reported as spam by other residents.

Identify Unknown Callers

Federal Data Sources

Federal Data

State Data Sources

State Data

County Data Sources

County Data

City Data Sources

City Data

Tennessee State Phone Book

Perform a Chattanooga Phone Number Lookup

Got a phone call or message from a Chattanooga phone number you don't recognize? Before you answer, call back, or reply, use our phone number lookup service to find out who called you.

Look up by Area Code

Tennessee phone numbers use area codes 423. Select a code below to look up numbers starting with it.

Tennessee Area Codes Map

Chattanooga, Tennessee Area Codes Map

Phone Numbers Reported as Spam Calls

According to the National Do Not Call Registry, Tennessee residents filed 46,489 complaints about unwanted calls in 2024:

46,489
Unwanted Call Complaints
23,162
Robocall complaints
18,739
Live caller complaints

Phone numbers reported to the FTC as unwanted calls by Chattanooga residents in the last 30 days.

Verify local business phone number

Received a call from a business but aren't sure it's really them? Hamilton County, according to U.S. Census Bureau data, includes 7,871 firms and 9,726 establishments employing 194,800 people.

County Percent of City Firms Establishments
Hamilton 100.00% 7871 9726

Use our reverse lookup service to verify whether a number belongs to a legitimate local business, not scammers spoofing local numbers to gain your trust.

How to Report a Fraudulent Call?

If you receive fraudulent calls or suspect a scam attempt, report it to reportfraud.ftc.gov or local police department using the following contacts:

Chattanooga City Police Department
3410 Amnicola Highway, 37406-1710

Hamilton People Search

Chattanooga has a population of 181099 people (median age of 36.70) - thousands of potential callers you might not recognize: neighbors, an old contact, or someone you actually want to talk to. Use our local white pages to find residents' phone numbers and addresses sourced from Hamilton County, Tennessee state, and other public records.

181099
Chattanooga population
36.70
Median age
88.80
Males per 100 females
Hamilton
Primary county
12:03 AM
Local Time (CDT)
Tuesday, September 22, 2026
Date