hi Rob,

if column A contains the reference numbers and column F the phone numbers


=INDEX(Sheet1!F:F,MATCH(Sheet2!A2,Sheet1!A:A,0))


--
isabelle



Le 2012-01-24 06:03, Rob Fairbrother a écrit :
I have 2 data sheets, one is a complete list with contact addresses
and telephone numbers
The other is limited to just the company name. I need to add the
telephone numbers from the complete list so I can then see if there
are any gaps. Each company has a unique reference number and this is
present on both sheets. Please can anyone assist me in adding the
telephone numbers from the complete sheet to the incomplete listing
without having to manually type this data?
Thanks