Mexican area code 33 is Guadalajara, Jalisco.
Landline numbers: +52 33
Mobile numbers: +52 1 33
The subscriber number is a further 8 digits in all cases.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
There is no area code 678 in Mexico.
There is no area code 333 in North America. Apparently Skype has issued some numbers in area code 333, but they cannot be reached from the regular telephone network, since 333 is an unauthorized code.
The country code and area code of Mpaka, Swaziland is 268, 333.
505 is the area code for Zuni, New Mexico.
The country code and area code of Abasolo, Mexico is 52, (01)429.
The country code and area code of Acacoyagua, Mexico is 52, (01)918.
The country code and area code of Acambaro, Mexico is 52, (01)417.
The country code and area code of Acambay, Mexico is 52, (01)718.
The country code and area code of Acamixtla, Mexico is 52, (01)762.
The country code and area code of Acanceh, Mexico is 52, (01)988.
The country code and area code of Acapetlahuaya, Mexico is 52, (01)736.
The country code and area code of Acaponeta, Mexico is 52, (01)325.