Its overlay area code is the 289 area code. It was introduced to the public in the middle of 2001. The first Mississauga (Malton) area code was all used up in the later months of 2005, thus the 289 area code will become the area code of phone numbers that will be given starting from that time onwards.
Direct inward dialing (DID), also called direct dial-in (DDI) in Europe and Oceania, is a telecommunication service offered by telephone companies to subscribers who operate a private branch exchange (PBX) system.
Dialing to Mexico Land Lines from the U.S. or Canada. The Country Code for Mexico is 52. To dial Mexico you follow the normal international dialing procedures. International Code 011 and Country Code 52 and-Prefix and Phone Number. For example, to dial Baja Joes Hotel, you would dial 011-52-612-114-0001.66 numbers Dial 001-883-then the number. 877 numbers Dial 001-882-then the number. 888 numbers Dial 001-881-then the number. For example, to call Wells Fargo's customer service FROM Mexico we change the number. from 1-800-869-3557 to 001- 880 -869-3557 and to dial Blue Shield FROM Mexico we change the number.