FUSION NET LIMITED (APNARPHONE),[Open between 9:00 a.m. and 5:00 p.m. Bangladesh Standard Time (+06 Hrs. GMT), Saturday - Thursday] FusionNet is committed to delivering quality service, especially when you need support. Just e-mail, text or call FUSION Customer Service at 01741.FUSION. Better yet, find the answers to frequently asked questions (FAQs) from online..