Importing Leads

Importing Leads

I can't import leads from a Excel spreadsheet or csv file. Everything maps, I don't get any errors. I says the records are added but it doesn't actually add the records. I've tried a spreadsheet at least 10 times and converted to csv and tried that, no luck. 

I even tried using a few records from a spreadsheet that I have previously imported and it still doesn't work. 

It's 512 records so no size limitation. 

I need help!

Please advise.

Thanks

Bryan