The existing postcode hardly works to use in navigation and not precise due to large geographical area coverage. Therefore, development of alphanumeric spatial postcode (geopostcode) conceptual design is very crucial. The hierarchical aggregation of spatial boundaries is used to develop this alphanumeric geopostcode. This eight alphanumeric characters geopostcode can gives a thousand benefits to the users in term of navigation and time consuming. This geopostcode are very important in many sectors in Malaysia especially in Location-Based Services (LBS) application. By implementing of this geopostcode model, the time consuming for searching the address will reduce and increase the preciseness of the location placement. It is can be more flexible, easy to understand, easy to implement and promote data consistency, economic and social developments, governance, public participation and sharing with all participating entities. This new geopostcode hope will achieve greater usability need and to make the postcode as familiar to the person as their telephone number and plate number of their car as well as it is more likely to be memorized.