Find out who called from that unknown Green Bay number using our free reverse phone lookup service. Enter the full 10-digit number (including 274 and 920 or any other US area code) to search for available caller information including name, address, phone carrier, and more.
Federal Data
State Data
County Data
City Data
Got a phone call or message from a Green Bay, Wisconsin phone number you don't recognize? Before you answer, call back, or reply, use our phone number lookup service to find out who's really on the other end, is it a scam, legitimate business or someone you'd rather avoid.
The total population of Green Bay, WI, is 107,395. That's thousands of potential callers you might not recognize: local business contacts, neighbors, service providers, or people from across the city.
An unknown caller could be anyone — a sales call, an old friend, someone you actually want to talk to. Without caller identification, you either ignore potentially important calls or answer ones you'd rather avoid.
Scam and spam calls continue to impact WI residents which, according to the National Do Not Call Registry Data Book, filed 28,465 complaints about unwanted calls in 2024. Of these, 14954 were robocalls, while 10278 involved live callers. The top complaint topics included medical and prescriptions (3175), imposters (1858), reducing debt (1699).
According to FTC 2024 data, WI residents reported 30,287 fraud cases in 2024, resulting in $106,041,111 in losses, with a median loss of $357 per victim. Given that more than 1 in 3 fraud attempts occur over the phone, verifying who is calling is critical for preventing financial losses.
If you receive fraudulent calls or suspect a scam attempt, report it to reportfraud.ftc.gov or local police department using the following contacts:
Additionally, protect your household by registering your phone numbers at donotcall.gov or by calling 1-888-382-1222 from the number you wish to register.
Have you received a call from a business but aren’t sure if it’s really them? Green Bay is primarily located in Brown County, which, according to U.S. Census Bureau data, includes 5,479 firms and 6,662 establishments employing 142,524 people.
| County | Percent of City | Firms | Establishments |
|---|---|---|---|
| Brown | 100.00% | 5479 | 6662 |
Use our service to reverse-lookup unknown Wisconsin phone numbers to verify whether they actually belong to a company before answering or calling back. By cross-referencing phone numbers with local business directories, you can ensure you’re dealing with legitimate local businesses, services, contractors, or vendors—not scammers spoofing local numbers to gain your trust.
Green Bay area codes are 920. Phone numbers in Wisconsin follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
