$estados = array(
“AC” => “Acre”,
“AL” => “Alagoas”,
“AM” => “Amazonas”,
“AP” => “Amapá”,
“BA” => “Bahia”,
“CE” => “Ceará”,
“DF” => “Distrito Federal”,
“ES” => “Espirito Santo”,
“GO” => “Goiás”,
“MA” => “Maranhão”,
“MG” => “Minas Gerais”,
“MS” => “Mato Grosso do Sul”,
“MT” => “Mato Grosso”,
“PA” => “Pará”,
“PB” => “Paraíba”,
“PE” => “Pernambuco”,
“PI” => “Piauí”,
“PR” => “Paraná”,
“RJ” => “Rio de Janeiro”,
“RN” => “Rio Grande do Norte”,
“RO” => “Rondônia”,
“RR” => “Roraima”,
“RS” => “Rio Grande do Sul”,
“SC” => “Santa Catarina”,
“SE” => “Sergipe”,
“SP” => “São Paulo”,
“TO” => “Tocantins”
);
fonte: https://gist.github.com/guimadaleno