Some cities covered by area code 626 are Alhambra, Altadena, Arcadia, Azusa, Baldwin Park, Duarte, Glendora, Hacienda Heights, La Puente, Monrovia, Monterey Park, Rosemead, Rowland Heights, South El Monte, South Pasadena, South San Gabriel, South San Jose Hills, Temple City, Valinda, Walnut, West Covina, West Puente Valley