Which phone number does KDDI use when contacting customers?
KDDI may contact the customers by phone or text message (SMS) to provide information about special offers.
Please rest assured that the telephone numbers listed below are not from suspicious parties.
Important note
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The initial "0" of the caller's phone number may also be displayed as "+81 (Japan's country code)" .
Example: "050 **** **** " may be displayed as "+81 50 **** ****"
Phone numbers currently in use by KDDI
151
+1 231 400 0770
+1 231 400 0771
+1 231 400 0772
+1 231 400 0773
0120 180 430
0120 186 966
0120 297 138
0120 384 021
0120 387 265
0120 426 351
0120 426 532
0120 427 621
0120 429 241
0120 429 361
0120 499 918
0120 502 998
0120 503 804
0120 549 232
0120 554 866
0120 785 446
0120 785 484
0120 785 610
0120 786 158
0120 827 061
0120 907 183
0120 911 052
0120 911 314
0120 911 695
0120 911 757
0120 914 910
0120 921 361
0120 921 541
0120 921 751
0120 921 928
0120 924 039
0120 924 077
0120 924 783
0120 924 984
| 0120 925 050 |
| 0120 925 924 |
| 0120 925 971 |
0120 926 525
0120 926 646
0120 929 063
0120 933 715
0120 938 112
0120 944 113
0120 944 523
0120 959 047
0120 984 365
0120 984 412
0120 984 447
0120 984 448
0120 984 582
0120 985 011
0120 985 212
0120 985 480
0120 988 217
0120 988 342
0120 993 821
0120 994 083
0120 994 514
0120 995 097
0120 995 670
0120 996 972
050 1724 0071
050 3174 7785
050 3184 0070
050 3188 0171
050 3189 0056
050 3189 0057
050 3189 0058
050 3189 0059
0800 080 0007
0800 080 7255
0800 123 6172
0800 500 0358
0800 500 3057
0800 500 3262
0800 777 0547
0800 777 0934
0800 777 2682
0800 777 3156
0800 777 5379
+1 231 400 0774
+1 231 400 0775
0120 067 108
0120 067 466
0120 068 178
0120 388 377
0120 406 941
| 0120 407 072 |
0120 409 214
0120 409 227
0120 430 053
0120 435 184
0120 462 707
0120 487 751
0120 499 866
0120 574 870
0120 694 472
0120 769 634
| 0120 769 756 |
0120 777 429
0120 829 471
0120 829 598
0120 839 848
0120 860 383
0120 907 024
0120 914 447
0120 914 519
0120 914 615
0120 914 893
0120 914 899
0120 922 567
0120 922 602
0120 922 945
0120 922 946
0120 924 002
0120 925 451
0120 925 487
0120 925 641
0120 925 821
0120 925 919
| 0120 929 134 |
0120 929 146
0120 929 818
0120 933 120
0120 933 380
0120 959 965
0120 974 412
0120 977 407
0120 983 591
0120 983 799
0120 984 606
0120 984 625
0120 984 769
0120 984 771
0120 984 912
0120 988 585
0120 988 850
0120 989 465
| 0120 993 374 |
0120 993 384
0120 995 677
0120 995 729
0120 996 437
0120 996 438
0120 996 439
050 3189 0051
050 3189 0052
050 3189 0053
050 3189 0054
050 3189 0055
0800 080 0622
0800 080 1348
0800 080 5115
0800 080 5551
0800 080 7225
| 0800 500 6311 |
0800 500 6640
0800 777 0194
0800 777 0213
| 0800 777 0334 |
| 0800 777 5491 |
For your reference
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There are "Spam Messages and Calls Block App" that automatically display warning messages and caller identification for spam text messages (SMS) and nuisance calls, such as fraudulent billing. For details, please refer to the following page.
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There have been many cases of spam SMS/emails falsely claiming to be KDDI, including au and UQ mobile. For details, please refer to the following page.
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