Phone Number Format Guides
Country-by-country formatting rules, dialing instructions and examples — plus deep dives on every international standard.
Format Standards
E.164 Format
What is E.
International Format
How to write phone numbers in international format: + country code, spaces for readability, examples like +44 7400 123456 for 10 countries, and a free formatter.
National Format
National (local) phone number format explained: trunk prefixes, country-specific grouping like (415) 555-0132 and 07400 123456, examples for 10 countries.
RFC3966 Format
RFC3966 defines the tel: URI for clickable phone links: tel:+1-415-555-0132.
Country Guides
🇺🇸 United States (+1)
National, international and E.164 examples like +14155550132, plus dialing rules.
🇬🇧 United Kingdom (+44)
National, international and E.164 examples like +447400123456, plus dialing rules.
🇨🇦 Canada (+1)
National, international and E.164 examples like +14165550199, plus dialing rules.
🇦🇺 Australia (+61)
National, international and E.164 examples like +61491570156, plus dialing rules.
🇮🇳 India (+91)
National, international and E.164 examples like +919876543210, plus dialing rules.
🇩🇪 Germany (+49)
National, international and E.164 examples like +4915123456789, plus dialing rules.
🇫🇷 France (+33)
National, international and E.164 examples like +33612345678, plus dialing rules.
🇪🇸 Spain (+34)
National, international and E.164 examples like +34612345678, plus dialing rules.
🇮🇹 Italy (+39)
National, international and E.164 examples like +393123456789, plus dialing rules.
🇧🇷 Brazil (+55)
National, international and E.164 examples like +5511912345678, plus dialing rules.