How do i contact eon energy customer services? Contact E.ON Energy Customer Services using the call connection number below or visit E.ON Energy for information at no or lower cost. You can contact E.ON Energy Mon - Fri 8am - 8pm How do i get in touch with eon 18001? Just put 18001 in front of the E.ON phone number you want to call. If you're from the NHS Test and Trace service and need to get in touch, call us on 02476 192000. Mention why you're calling, and we'll direct you through to the right person.How do i contact eos cca? If you prefer to call a Consumer Relations Specialist with your concerns, please call (877) 395-5997, Monday through Friday from 8am until 5pm. If you are interested in employment opportunities with EOS CCA, please visit our Job Portal. EOS CCA is a debt collection agency.Who are eon uk? E.ON UK is an energy and gas supplier formerly known as Powergen, and is part of E.ON – the world’s power and gas owned Investor Company. As of 2011, there were around 15,000 employees. Digital Connects is a call connection service. You will be dialling one of our 09 numbers which will appear on your phone bill, not the number of the company.