Russia phone number validator
How the phone number format works
- Format
- Russia phone number in national or international (+7) format
- Example
- +79123456789
Things to watch for
- Accepts national or international (E.164, e.g. +7...) format
- Validated with Google's libphonenumber; confirms the number is possible/valid for this country, not that it is currently assigned or reachable
^[+]?[0-9 ()\-]{6,}$A Russian phone number has a quirk most countries don’t: its trunk prefix is the digit 8, not 0. Domestically, a mobile number is dialed as 8 916 123-45-67; internationally, that leading 8 is swapped for +7, giving +79161234567 — the 10 digits behind it (916 123 45 67 for a mobile starting with 9, or an area code plus local number for a landline) never change. Mixing this up — keeping the 8 after +7, or replacing it with a 0 — is the most common formatting mistake.
How this validator works
Enter the number domestically (89161234567) or in full international form (+79161234567); this tool checks the 10-digit national number and prefix range against Russia’s real numbering plan using Google’s libphonenumber, entirely in your browser. Because the domestic trunk digit is 8 rather than the usual 0, this validator specifically catches the case where someone pastes +78916… or +708916… into a form — both invalid, since +7 already stands in for the 8.
What a pass doesn’t tell you
A pass confirms the 10 digits after +7 match a real Russian mobile or landline range — it doesn’t confirm that mobile is switched on or the landline connected. Format validity and live-service status are separate questions this tool doesn’t answer.
Scope: use this to catch a kept trunk 8, a stray 0, or a wrong digit count before a Russian number reaches a form or SMS gateway — not as proof the number rings.
Content last reviewed 2026-07-07.
phone number FAQ
Why does a Russian number domestically start with 8 instead of 0?
Russia's trunk prefix is the digit 8, not 0 — a Moscow mobile is dialed as 8 916 123-45-67 domestically, and that 8 is replaced entirely by +7 for international form, not stripped and re-added like a typical trunk 0.
What does +7 replace in a Russian phone number?
It replaces the domestic trunk digit 8, not a 0. So 8 916 123 45 67 becomes +7 916 123 45 67 — the remaining 10 digits (916 123 45 67) stay exactly the same, only the leading digit changes.
Does a valid Russian number check confirm the line is active?
No. It only confirms the 10 digits after +7 match a real Russian mobile or landline pattern — it can't confirm the SIM is topped up or the landline connected, since that needs a carrier lookup this tool doesn't perform.