| 主权项 |
1. A method of securely providing postal address data to a client device comprising the steps of:
(a) storing, at a server, a plurality of number items each associated with at least one respective address item, wherein each number item is indicative of a mobile telephone number and each address item is indicative of postal address data; (b) receiving, at the server, an address item request, from a requesting client device, the address item request including a target key indicative of a mobile telephone number; (c) identifying, at the server, a respective address item associated with a number item indicative of the mobile telephone number indicated by the target key; and (d) sending from the server, to the requesting client device, a data package including at least a part of the postal address data indicated by the respective address item identified at the server. |
