Different lat and long for same address

Contacts with the same IP address are being over-written same address She calls herself Emma Jones, but she uses the same address we traced Jenny James to in Grangetown same address if my permanent address and temp adddress is same no neeed to type the address two times How can I fix this ? I need to add a checkbox like

same address If address is same then please maintain address of storage location in transaction MEAN and when creating the STO new ADRNR number maintain in the Address