Got a call from an unknown number in Costa Mesa or elsewhere in Orange County? Use our free lookup tool to identify any 949 number and check whether it has been reported as spam by other residents.
Federal Data
State Data
County Data
City Data
Got a phone call or message from a Costa Mesa 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.
California phone numbers use area codes 949. Select a code below to look up numbers starting with it.
According to the National Do Not Call Registry, California residents filed 287,916 complaints about unwanted calls in 2024:
Phone numbers reported to the FTC as unwanted calls by Costa Mesa residents in the last 30 days.
Received a call from a business but aren't sure it's really them? Orange County, according to U.S. Census Bureau data, includes 92,886 firms and 106,249 establishments employing 1,561,560 people.
| County | Percent of City | Firms | Establishments |
|---|---|---|---|
| Orange | 100.00% | 92886 | 106249 |
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.
If you receive fraudulent calls or suspect a scam attempt, report it to reportfraud.ftc.gov or local police department using the following contacts:
Costa Mesa has a population of 111918 people (median age of 35.60) - 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 Orange County, California state, and other public records.