Skip to main content
Denwa
Number lookup
Denwa
Language
日本語English

Site info

03-4243-6383

1 reports that warrant caution

TokyoLandline

Report breakdown

Sales / Solicitation
1
Latest review

Number Range Info

Line Type
Landline
Region
Tokyo
Carrier
KDDI株式会社
Number range
03-4243-0000〜9999
Call Cost
Caller pays

03 is the area code for Tokyo. It is assigned to landlines mainly in central Tokyo (the 23 wards), with many calls originating from corporate offices, retailers, and public agencies.

About number portability (MNP) and carriers

See the guide for this area code (03)

Reports / Reviews

SpamSales / Solicitation

Thinking about changing your phone number?

Too many nuisance calls? Before you change your number

A checklist of contacts and services to update before changing your phone number, and ways to reduce nuisance calls without changing it.