Browse the Costa Mesa phone book to find residents and businesses throughout Orange County. If you received a call from an unrecognized number with area code 949, use our lookup tool to see who it belongs to before you call back.
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Find phone numbers for city businesses, public services, and organizations by category.
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.
+1 (800) 900-0000
Calls pretending to be government, businesses, or family and friends
1 report ·
+1 (202) 505-2884
Calls pretending to be government, businesses, or family and friends
1 report ·
+1 (714) 202-4896
Dropped call or no message
1 report ·
+1 (828) 242-2995
Calls pretending to be government, businesses, or family and friends
1 report ·
+1 (779) 289-9390
Other
1 report ·
+1 (949) 749-7909
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
+1 (818) 810-7964
Other
1 report ·
+1 (866) 771-5844
Other
1 report ·
+1 (229) 363-7750
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
+1 (949) 270-5582
Calls pretending to be government, businesses, or family and friends
1 report ·
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.