mobil

http://www.prepaidgsm.net/en/luxembourg.html

http://www.mvnodynamics.com/mvno-companies/eu-mvno-companies/

http://www.countrycallingcodes.com/mobile/mobile-codes.php?callfrom=United+States&callto=Luxembourg


http://www.99577.fi/etc/99577%20Mobile%20ranges.pdf

https://en.wikipedia.org/wiki/Telephone_numbers_in_Europe