An analysis is made of the problems, approaches and methods in the study of the economic-geographical location. The term “postal-geographical location” is suggested. The concept of the location of a settlement in the postal network is formulated. The algorithm has been developed for measuring the postal-geographical location. Results from assessing the location of settlements in Siberia’s postal network are presented for the year 1910.Keywords: economic-geographical location, postal settlement, post road, Siberia, Russian Empire.