Even though they couldn't cover every language, I think Spanish is a very common language, especially with the countries in close proximity to Canada that are Spanish speaking. However, maybe not available 24 hours.
Here are some numbers, I believe, for Pearson Airport regarding immigration and citizenship... not sure if this is exactly what you want, but just in case, here you go:
Citizenship and Immigration Canada: 1-888-242-2100
Immigration General Information: 416-973-4444