How long did you correspond with your penpal in China?

Each number on the fast food menu corresponds to a different value meal.

Have you been able to correspond with your family in Chili since the earthquake?

E-mail is a quick and easy way to correspond with friends across the country.

You need to correspond with your pen pal. They will think the worst if you do not correspond with them.

Correspond.

The antonym for correspond is differ.

If 'correspond' is being used in the context of communication:-

You "correspond with" someone. The reason for this is that the verb correspond implies a two way flow of letters.

After this the with/to is used a little variably, however in general:

If 'correspond' is being used in the context of agreement :-

Then it is normal to say "corresponds with"

If 'correspond' is being used in the context of "to be similar" or "to match".

Then it is normal to say "corresponds to".