Enter a number in E.164 format (for example +441952612345)
The prefix +81 6099 serves the region of Japan.
Carrier for this prefix: "NTT".
The area code location is mapped at (36.5748441, 139.2394179).
Partial number searches match area-code pages like this — helpful if only the start of a number is known.
Country: 🇯🇵 JP
Country Code: +81
Carrier: NTT
Prefix: 6099
Location: Japan
Coords: 36.5748441, 139.2394179
Area Code Page: +81 6099
Comments: Disabled for area-code pages
Example: +81 6099 *** ***
If you have a full number, use the search box above to view the number-specific page.
+81 6099 is an area code/prefix that appears to be associated with Japan. It may be assigned to multiple phone numbers within that region.
Yes — use Ringbat's number search to look up a full number. This area-code page helps when only part of a number is known.
Carrier information for this prefix: NTT. In some cases multiple carriers may use similar prefixes.
Reverse lookups allow you to see who is calling, whether it’s a friend, business, or spam.
Common reasons for lookups include avoiding telemarketing calls, blocking fraud attempts, or verifying business contacts.
Community reports make unknown calls easier to understand.
Tip: Always verify unknown callers before responding.
Global phone lookups help identify calls from foreign numbers.
Area codes give clues about where the call originated.
Copyright © 2025 Ringbat. International Reverse Phone Number Lookup. Legal / DMCA