Cities we serve in Vietnam
Local numbers and voice services in 3 major cities — plus full coverage of every regional area code.
See all area codesMore on business telecom in Vietnam
Explore the full Vietnam offering — +84 numbers, SIP trunking and hosted PBX.
- Business phone service in VietnamFull overview of services, pricing and coverage across Vietnam.
- +84 virtual phone numbers in VietnamLocal and national Vietnam numbers with fast activation.
- SIP trunking in VietnamScalable voice channels with per-second billing in Vietnam.
- Hosted PBX in VietnamCloud phone system, IVR and extensions for Vietnam teams.
- Vietnam area codes (+84)Complete list of Vietnam area codes and their cities.
- Talk to a Vietnam telecom expertCustom quote and porting guidance for Vietnam.
Frequently asked questions
Which Vietnam cities do you offer local numbers in?+
We cover 3 major cities across Vietnam, including Da Nang, Hanoi, Ho Chi Minh, plus every regional +84 area code in the country.
Can I have numbers in several Vietnam 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 Vietnam 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 +84 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 Vietnam 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.