Area code 664 (Mexico)

664 is an area code within Mexico's National Phone Numbering Schema (Plan Nacional de Numeracion). It covers the municipality of

Tijuana Tijuana ( ,"Tijuana"
(US) and < ...

Baja California Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...

. It overlays area code 663. Calls to numbers with the Mexican area code 664 must be dialed as any other international call, using the

international call prefix An international call prefix, international dial-out code or international direct dial code (IDD code) is a trunk prefix that indicates an international phone call. In the dialling sequence, the prefix precedes the country calling code (and, fur ...

, and the

country code Country codes are short alphabetic or numeric geographical codes (geocodes) developed to represent countries and dependent areas, for use in data processing and communications. Several different systems have been developed to do this. The term ...

''52''. {{areacode-stub Telephone numbers in Mexico