See full article at: https://yucalandia.wordpress.com/living-in-yucatan-mexico/phone-calls-to-and-from-mexico-dialing-made-easy/
Abstract: Dialing and Calling Into and Out of Mexico:
Imagine you are enjoying Merida and want to call a friend here in Mexico or back in the USA or Canada. The prefixes you need to dial depend on *where you are* and *what kind of phone you are using* (land-lines vs. cell phones).   The rules for phone prefixes within Mexico, and from outside Mexico,  are different for land-line vs. cell phones.

Land-Line Phone Calls Within Mexico:
Land-line to local land-line: Dial the seven digit number (i.e. 924-1234) . . .

Read the full article on phoning to and from Mexico at: (or access under Living in Yucatan (see header) )
https://yucalandia.wordpress.com/living-in-yucatan-mexico/phone-calls-to-and-from-mexico-dialing-made-easy/
*         *         *          *
Feel free to copy while giving proper attribution: YucaLandia/Surviving Yucatan.
© Steven M. Fry