Cities we serve in Japan
Local numbers and voice services in 1 major cities — plus full coverage of every regional area code.
See all area codesMore on business telecom in Japan
Explore the full Japan offering — +81 numbers, SIP trunking and hosted PBX.
- Business phone service in JapanFull overview of services, pricing and coverage across Japan.
- +81 virtual phone numbers in JapanLocal and national Japan numbers with fast activation.
- SIP trunking in JapanScalable voice channels with per-second billing in Japan.
- Hosted PBX in JapanCloud phone system, IVR and extensions for Japan teams.
- Japan area codes (+81)Complete list of Japan area codes and their cities.
- Talk to a Japan telecom expertCustom quote and porting guidance for Japan.
Frequently asked questions
Which Japan cities do you offer local numbers in?+
We cover 1 major cities across Japan, including Toll-free, plus every regional +81 area code in the country.
Can I have numbers in several Japan cities?+
Yes. One AstraQom account holds numbers from multiple cities, with a single invoice and centralised routing into your PBX or Microsoft Teams.
Do I need a local address in each city?+
Rarely. Where Japan regulation requires proof of presence, we tell you which documents are needed and handle the filing end to end.
How fast does a city number activate?+
Most +81 numbers activate within 1–3 business days. Toll-free or special numbers may need extra KYC.
Do you port existing numbers in these cities?+
Yes, from any licensed Japan operator with zero downtime, usually within 2–4 weeks.
Which services are available in each city?+
SIP trunking, hosted PBX, UCaaS, contact center, SD-WAN and local, national and toll-free numbers — all on one contract.