Sign up for paper-free billing and receive your bill every month via email. With paper-free billing you receive your invoice up to 7 days faster than paper-bills. With paper-free billing you don’t only save the environment, but you also save ANG 2.50 per month on bill charges. Apply for paper-free billing today! Apply for e-billing online or contact our Customer Care Center via 611 or 548-help (4357).