Instant Phone Number Lookup – Japan
Japan Phone Number Lookup
A number information and spam reporting service to help identify unknown callers.
Identify the country and telecom operator using publicly available, non-personal reference data.
How Japan Phone Numbers Work
Phone numbers in Japan follow a standardized format regulated by national telecom authorities. All Japanese phone numbers use the international country code +81.
Telecom Operators in Japan
Japan has multiple mobile network operators.
Major operators include Y!Mobile, KDDI Corporation, Hanshin Cable Engineering Co., Ltd., IIJmio, Japan Radio Company, Ltd., Wireless City Planning Inc., SAKURA Internet Inc., closip, Inc., Panasonic Connect Co., Ltd., Marubeni Network Solutions Inc., NTT docomo, Rakuten Mobile, Cable media waiwai Co., Ltd., NTT Communications Corporation, Grape One Co., Ltd., BB Backbone Corp., Nokia Innovations Japan G.K., Osaka Gas Business Create Co., Ltd., Kintetsu Cable Network Co., Ltd., NEC Networks & System Integration Corporation, SoftBank, SoftBank, JTOWER Inc., Fujitsu Ltd., au, au, au, au, au, au, au, au, au, au, au, au, au, Wireless City Planning Inc., SoftBank, UQ WiMAX, Soracom Inc., Aurens Co., Ltd., Sony Wireless Communications Inc., Gujo City, Wicom Inc., Katch Network Inc., Mitsubishi Electric Corp., Mitsui Knowledge Industry Co., Ltd., Chudenko Corp., Cable Television Toyama Inc., Nippon Telegraph and Telephone East Corp., Starcat Cable Network Co., Ltd., I-TEC Solutions Co., Ltd., Tokyo Organising Committee of the Olympic and Paralympic Games.
| Telecom Operator | MCC | MNC |
|---|---|---|
| Y!Mobile | 440 | 00 |
| KDDI Corporation | 440 | 01 |
| Hanshin Cable Engineering Co., Ltd. | 440 | 02 |
| IIJmio | 440 | 03 |
| Japan Radio Company, Ltd. | 440 | 04 |
| Wireless City Planning Inc. | 440 | 05 |
| SAKURA Internet Inc. | 440 | 06 |
| closip, Inc. | 440 | 07 |
| Panasonic Connect Co., Ltd. | 440 | 08 |
| Marubeni Network Solutions Inc. | 440 | 09 |
| NTT docomo | 440 | 10 |
| Rakuten Mobile | 440 | 11 |
| Cable media waiwai Co., Ltd. | 440 | 12 |
| NTT Communications Corporation | 440 | 13 |
| Grape One Co., Ltd. | 440 | 14 |
| BB Backbone Corp. | 440 | 15 |
| Nokia Innovations Japan G.K. | 440 | 16 |
| Osaka Gas Business Create Co., Ltd. | 440 | 17 |
| Kintetsu Cable Network Co., Ltd. | 440 | 18 |
| NEC Networks & System Integration Corporation | 440 | 19 |
| SoftBank | 440 | 20 |
| SoftBank | 440 | 21 |
| JTOWER Inc. | 440 | 22 |
| Fujitsu Ltd. | 440 | 23 |
| au | 440 | 50 |
| au | 440 | 51 |
| au | 440 | 52 |
| au | 440 | 53 |
| au | 440 | 54 |
| au | 440 | 70 |
| au | 440 | 71 |
| au | 440 | 72 |
| au | 440 | 73 |
| au | 440 | 74 |
| au | 440 | 75 |
| au | 440 | 76 |
| au | 440 | 78 |
| Wireless City Planning Inc. | 441 | 00 |
| SoftBank | 441 | 01 |
| UQ WiMAX | 441 | 10 |
| Soracom Inc. | 441 | 200 |
| Aurens Co., Ltd. | 441 | 201 |
| Sony Wireless Communications Inc. | 441 | 202 |
| Gujo City | 441 | 203 |
| Wicom Inc. | 441 | 204 |
| Katch Network Inc. | 441 | 205 |
| Mitsubishi Electric Corp. | 441 | 206 |
| Mitsui Knowledge Industry Co., Ltd. | 441 | 207 |
| Chudenko Corp. | 441 | 208 |
| Cable Television Toyama Inc. | 441 | 209 |
| Nippon Telegraph and Telephone East Corp. | 441 | 210 |
| Starcat Cable Network Co., Ltd. | 441 | 211 |
| I-TEC Solutions Co., Ltd. | 441 | 212 |
| Tokyo Organising Committee of the Olympic and Paralympic Games | 441 | 91 |
What This Phone Number Lookup Can and Cannot Do
- This Japan phone number lookup tool is designed to provide basic network identification. It can help you identify the country and telecom operator associated with a phone number.
- This phone number lookup works specifically for mobile numbers assigned to cellular networks.
- To protect user privacy and comply with data protection regulations, this tool does not provide real-time location tracking, personal names, or exact addresses.