Roman Numerals, Date Patterns & Dialing Codes
Three quick references: convert between numbers and Roman numerals (both directions, 1–3999), see the palindrome and sequential dates coming up, and search international dialing codes by country or number.
International dialing codes
| Country | Code | ISO |
|---|---|---|
| Argentina | +54 | AR |
| Australia | +61 | AU |
| Austria | +43 | AT |
| Bangladesh | +880 | BD |
| Belgium | +32 | BE |
| Brazil | +55 | BR |
| Canada | +1 | CA |
| Chile | +56 | CL |
| China | +86 | CN |
| Colombia | +57 | CO |
| Czechia | +420 | CZ |
| Denmark | +45 | DK |
| Egypt | +20 | EG |
| Ethiopia | +251 | ET |
| Finland | +358 | FI |
| France | +33 | FR |
| Germany | +49 | DE |
| Greece | +30 | GR |
| Hong Kong | +852 | HK |
| India | +91 | IN |
| Indonesia | +62 | ID |
| Iran | +98 | IR |
| Ireland | +353 | IE |
| Israel | +972 | IL |
| Italy | +39 | IT |
| Japan | +81 | JP |
| Kenya | +254 | KE |
| Malaysia | +60 | MY |
| Mexico | +52 | MX |
| Netherlands | +31 | NL |
| New Zealand | +64 | NZ |
| Nigeria | +234 | NG |
| Norway | +47 | NO |
| Pakistan | +92 | PK |
| Philippines | +63 | PH |
| Poland | +48 | PL |
| Portugal | +351 | PT |
| Russia | +7 | RU |
| Saudi Arabia | +966 | SA |
| Singapore | +65 | SG |
| South Africa | +27 | ZA |
| South Korea | +82 | KR |
| Spain | +34 | ES |
| Sweden | +46 | SE |
| Switzerland | +41 | CH |
| Thailand | +66 | TH |
| Türkiye | +90 | TR |
| UAE | +971 | AE |
| Ukraine | +380 | UA |
| United Kingdom | +44 | GB |
| United States | +1 | US |
| Vietnam | +84 | VN |