The charges follow two pre-planned warrants executed by officers from the Met in Norwich on Wednesday, 8 April.
John Cann, 47 of Southwell Road, NR1, has been charged with two counts of conspiring to supply Class A drugs (heroin and cocaine).
Scott Ives Keeler, 38 of Motum Road, NR5, has been charged with two counts of conspiring to supply Class A drugs (heroin and cocaine) and possession of a prohibited firearm (Taser).
Both were remanded to appear at Thames Magistrates’ Court on Thursday, 8 April.
On the morning of Wednesday, 1 April, Met police officers arrested five people from north and east London as part of pre-planned warrants linked to the same investigation.
All were charged with conspiracy to supply Class A drugs with a next court appearance scheduled for Thursday, 30 April.