Find out who called from that unknown Costa Mesa number using our free reverse phone lookup service. Enter the full 10-digit number (including 949 or any other US area code) to search for available caller information including name, address, phone carrier, and more.
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Costa Mesa area codes are 949.
Phone numbers reported as unwanted calls to the FTC by Costa Mesa residents in the last 30 days.
(464) 235-4611
Reducing your debt (credit cards, mortgage, student loans)
2 reports ·
(855) 794-0485
Reducing your debt (credit cards, mortgage, student loans)
2 reports ·
(855) 349-2010
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
(760) 330-4758
Other
1 report ·
(213) 317-5020
Calls pretending to be government, businesses, or family and friends
1 report ·
(385) 213-7025
Other
1 report ·
(813) 344-2158
Other
1 report ·
(855) 357-2070
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
(415) 363-7928
Other
1 report ·
(415) 636-7928
Other
1 report ·
If you receive fraudulent calls or suspect a scam attempt, report it to reportfraud.ftc.gov or local police department using the following contacts:
List of prefixes are assigned to NEWPORTBCH rate center. Filter by phone number prefix or carrier name.
| Prefix | Carrier |
|---|---|
| (949) 200 | Verizon |
| (949) 205 | O1 Communications |
| (949) 209 | Matrix Telecom S/I/I Tnci |
| (949) 219 | AT&T |
| (949) 220 | Bandwidth |
| (949) 230 | Verizon |
| (949) 239 | Onvoy |
| (949) 244 | Verizon |
| (949) 270 | Windstream |
| (949) 274 | Lumen |
| (949) 287 | AT&T |
| (949) 335 | Verizon |
| (949) 355 | T-Mobile |
| (949) 375 | AT&T |
| (949) 386 | GetGo Communications |
| (949) 432 | Mcimetro Access Transmission Services |
| (949) 438 | Lumen |
| (949) 467 | AT&T |
| (949) 478 | TPX Communications |
| (949) 500 | AT&T |
| (949) 514 | Verizon |
| (949) 515 | AT&T |
| (949) 524 | T-Mobile |
| (949) 548 | AT&T |
| (949) 554 | TPX Communications |
| (949) 566 | AT&T |
| (949) 574 | AT&T |
| (949) 610 | Mcimetro Access Transmission Services |
| (949) 612 | Global Crossing Local Services |
| (949) 629 | Teleport Communications America |
| (949) 630 | AT&T |
| (949) 631 | AT&T |
| (949) 640 | AT&T |
| (949) 642 | AT&T |
| (949) 644 | AT&T |
| (949) 645 | AT&T |
| (949) 646 | AT&T |
| (949) 650 | AT&T |
| (949) 662 | Charter |
| (949) 673 | AT&T |
| (949) 675 | AT&T |
| (949) 698 | Lumen |
| (949) 706 | Comcast IP Phone |
| (949) 717 | AT&T |
| (949) 718 | AT&T |
| (949) 719 | AT&T |
| (949) 720 | AT&T |
| (949) 721 | AT&T |
| (949) 722 | AT&T |
| (949) 723 | AT&T |
| (949) 729 | AT&T |
| (949) 734 | Teleport Communications America |
| (949) 759 | AT&T |
| (949) 760 | AT&T |
| (949) 763 | Verizon |
| (949) 764 | AT&T |
| (949) 791 | TPX Communications |
| (949) 873 | Lumen |
| (949) 887 | AT&T |
| (949) 891 | AT&T |
| (949) 903 | T-Mobile |
| (949) 922 | Verizon |
| (949) 933 | Verizon |
| (949) 942 | T-Mobile |
| (949) 945 | TPX Communications |
| (949) 999 | TPX Communications |
Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.