International phone codes: how to read a number starting with +
An unfamiliar country code before a number — reason to worry, or just a call from abroad? Here's how international phone codes work.
How the international format works
A full number in international format looks like + [country code] [area/carrier code] [subscriber number] — for example +7 903 XXX-XX-XX for Russia or +1 XXX-XXX-XXXX for the US and Canada. The "+" stands in for the international dialing prefix (historically 00 or 8~10 in Russia and CIS countries).
Common country codes
A few worth knowing: +7 — Russia and Kazakhstan, +1 — US and Canada, +44 — United Kingdom, +49 — Germany, +33 — France, +34 — Spain, +90 — Turkey, +971 — UAE, +86 — China, +91 — India, +81 — Japan, +380 — Ukraine, +375 — Belarus, +995 — Georgia, +994 — Azerbaijan.
Why calls come from unusual codes
A call from a genuine foreign number is perfectly normal if you have contacts or business in that country. But scammers often pick exotic codes deliberately: an unusual code draws less attention from automated spam filters, and it tends to raise less suspicion with users who aren't familiar with country codes.
How to check an unfamiliar international number
- Compare the country code against a directory — if it's completely unfamiliar, treat it as a reason for caution
- Check the full number on KtoTam.to to see reviews and reports
- Don't call back short numbers with unusual country codes — that's a common premium-rate dialing trick
- If you're expecting a call from a specific country, confirm the exact number with the person beforehand