News Celtel Zambia adds second network dial-code By Oluniyi D. Ajao - 23rd February 2006 Celtel Zambia has added a second network dial code to its mobile phone operations with an expected roll out of the 099 prefix on January 1, 2006. RelatedESpanix Expands Network to PortugalEIB invests in BCS for a high-speed fibre network in DRC