Telephone numbers in Mexico
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Country Code: 52
In 1999 Mexico introduced the following new prefixes for use when making long distance calls from telephones in Mexico:
00 - international direct dialing (00 + country code + nat'l number)
including USA and Canada.
01 - domestic direct dialing (01 + area code + number)
02 - domestic operator dialing (02 + area code + number)
09 - international operator dialing (09 + country code + number)
including USA and Canada.
These codes are not used when calling Mexico from other countries. Such calls should be dialed using whatever international call prefix (such as +, 00, or 011) is required when making international calls from the country where the call originates.)
Mexican area codes are 3 digits long, except for Mexico City (55), Monterrey (81), Guadalajara (33) and their respective metropolitan areas.
Likewise, local numbers are 7 digits long, while Mexico City, Monterrey, and Guadalajara use 8 digit numbers. 8 digit numbers are commonly written two ways:
xxxx xxxx xx xx xx xx
CALLING MOBILE PHONES effective 4 November 2006:
When calling a mobile phone within the area code, use the prefix 044. It should be dialed: 044 + area code + mobile phone
To call a mobile phone outside the area code or from another city , use prefix 045. It should be dialed: 045 + area code + mobile phone
To call a mobile phone from abroad, prefix 1 must be added between country code and area code. So you should dial 0052 + 1 + area code + mobile phone.
It is common to see businesses with multiple lines on the same telephone exchange list their alternate lines without repeating the common numbers. For example, "(55) xxxx xx10, 19, 22 y 24" would signify a series of lines in Mexico City:
(55) xxxx xx10 (55) xxxx xx19 (55) xxxx xx22 (55) xxxx xx24
