Find out who called from that unknown Ontario number using our free reverse phone lookup service. Enter the full 10-digit number (including 840 and 909 or any other US area code) to search for available caller information including name, address, phone carrier, and more.
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Phone numbers reported as unwanted calls to the FTC by Ontario residents in the last 30 days.
(951) 225-1366
Other
3 reports ·
(915) 359-1899
Other
1 report ·
(951) 462-7326
Other
1 report ·
(309) 259-1904
Other
1 report ·
(909) 363-9669
Dropped call or no message
1 report ·
(561) 769-8311
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
(908) 223-2028
Other
1 report ·
(866) 534-8699
Other
1 report ·
(443) 443-6373
Other
1 report ·
(771) 247-2418
Calls pretending to be government, businesses, or family and friends
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 ONTARIO rate center. Filter by phone number prefix or carrier name.
| Prefix | Carrier |
|---|---|
| (909) 208 | T-Mobile |
| (909) 210 | AT&T |
| (909) 212 | TPX Communications |
| (909) 214 | AT&T |
| (909) 215 | AT&T |
| (909) 218 | Charter |
| (909) 223 | AT&T |
| (909) 224 | AT&T |
| (909) 225 | AT&T |
| (909) 226 | AT&T |
| (909) 227 | AT&T |
| (909) 228 | AT&T |
| (909) 229 | Verizon |
| (909) 230 | TPX Communications |
| (909) 234 | AT&T |
| (909) 235 | T-Mobile |
| (909) 238 | Verizon |
| (909) 239 | Verizon |
| (909) 240 | Verizon |
| (909) 241 | Verizon |
| (909) 260 | Verizon |
| (909) 261 | Verizon |
| (909) 262 | AT&T |
| (909) 268 | T-Mobile |
| (909) 284 | T-Mobile |
| (909) 292 | TPX Communications |
| (909) 295 | T-Mobile |
| (909) 319 | T-Mobile |
| (909) 321 | CenturyLink Communications |
| (909) 322 | T-Mobile |
| (909) 331 | Verizon |
| (909) 354 | Verizon |
| (909) 376 | T-Mobile |
| (909) 390 | Frontier |
| (909) 391 | Frontier |
| (909) 395 | Frontier |
| (909) 418 | AT&T |
| (909) 437 | T-Mobile |
| (909) 443 | GetGo Communications |
| (909) 456 | Lumen |
| (909) 458 | Frontier |
| (909) 459 | Frontier |
| (909) 460 | Frontier |
| (909) 467 | Frontier |
| (909) 472 | Teleport Communications America |
| (909) 489 | T-Mobile |
| (909) 490 | T-Mobile |
| (909) 509 | AT&T |
| (909) 510 | Windstream |
| (909) 518 | Verizon |
| (909) 519 | Verizon |
| (909) 544 | Verizon |
| (909) 545 | T-Mobile |
| (909) 563 | Matrix Telecom S/I/I Tnci |
| (909) 605 | Frontier |
| (909) 615 | AT&T |
| (909) 635 | TPX Communications |
| (909) 638 | Verizon |
| (909) 657 | Lumen |
| (909) 661 | North County Communication |
| (909) 673 | Frontier |
| (909) 678 | T-Mobile |
| (909) 687 | T-Mobile |
| (909) 702 | AT&T |
| (909) 717 | T-Mobile |
| (909) 721 | T-Mobile |
| (909) 724 | Lumen |
| (909) 730 | Verizon |
| (909) 731 | Verizon |
| (909) 732 | Verizon |
| (909) 740 | Matrix Telecom S/I/I Tnci |
| (909) 772 | T-Mobile |
| (909) 773 | Frontier |
| (909) 781 | Verizon |
| (909) 786 | Lumen |
| (909) 815 | Verizon |
| (909) 816 | Verizon |
| (909) 821 | T-Mobile |
| (909) 843 | Matrix Telecom S/I/I Tnci |
| (909) 851 | AT&T |
| (909) 906 | RCLEC |
| (909) 917 | T-Mobile |
| (909) 923 | Frontier |
| (909) 930 | Frontier |
| (909) 933 | Frontier |
| (909) 935 | Matrix Telecom S/I/I Tnci |
| (909) 937 | Frontier |
| (909) 938 | Verizon |
| (909) 947 | Frontier |
| (909) 952 | T-Mobile |
| (909) 957 | Verizon |
| (909) 969 | AT&T |
| (909) 974 | Frontier |
| (909) 975 | Frontier |
| (909) 983 | Frontier |
| (909) 984 | Frontier |
| (909) 986 | Frontier |
| (909) 988 | Frontier |
| (909) 994 | T-Mobile |
| (909) 996 | AT&T |
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.