400 stands for various terms. Discover the full forms, meanings, and possible interpretations of 400 across different fields and industries.
Service Access Code
Most CommonArea codePhone area codeTechnologyTelecomTelecommunicationsTelephone area codeUs phone area codes
Jordan
2-letter Country CodesComputingCountriesCountryCountry domain namesFIPS Country CodesGovernmental & MilitaryInternetJordanLocationsNumeric Country CodesTechnologyUsps