Mexican area code 427 serves San Juan del RÃo, Querétaro, and nearby areas in Querétaro, Hidalgo, and México states. All subscriber numbers are 7 digits. In international format, a landline in this area is +52 427; mobiles from this area are +52 1 427.
(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.)
Area code 427 is an overlay area code for the Greater Toronto Area (GTA) in Ontario, Canada. It was introduced to accommodate the increasing demand for new phone numbers in the region, which is served by the 416 and 647 area codes. The 427 area code covers the same geographical area as these existing codes.
There is no area code 678 in Mexico.
The country code and area code of Kikla, Libya is 218, (0)427.
The country code and area code of Kelme, Lithuania is 370, (0)427.
The country code and area code of Panjin- LN, China is 86, (0)427.
The country code and area code of Salem- Salem, India is 91, (0)427.
Oh, dude, area code 427 doesn't actually exist in North America. It's like a unicorn, you know? So, if you're trying to call someone with a 427 area code, you might want to check your sources... or your time machine, because you might be calling from the future!
The country code and area code of Chukotskyi region, Russian Federation is 7, (8)427.
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.