We require someone to build a system that will take 10 digit mobile phone numbers
(Only USA at this time) and perform a carrier look up for each number.
Data that will be imported into the system will be in .txt or .csv and should
be able to be uploaded via a web interface. Typical file size would contain
Upon the system determining the carrier for a particular number; that number
should be appended with a domain suffix that we provide for that carrier.
Once the uploaded file (numbers only) has been processed and appended by the system it
will create a .txt file with the new number@domain