Pechota, MatejMožuchová, Lucia2020-11-132020-11-1320181339-5130http://drepo.uniza.sk/handle/hdluniza/340The postal network consists of sending points, delivery points or shipment between these points. Its separation within the selected country is important. The stratification of postal areas has an impact for example on the length of the transit time, the number of posts to be operated and the associated operating costs. Stratification of postal areas is affecting several areas. In this article, we will focus on stratifying postal areas depend from the transit time. The article proves importance of the stratification because it is one piece of real mail studies.enhttp://creativecommons.org/licenses/by/4.0/postal areastratificationtransit timeEN 13850real mail studiesArticlehttp://doi.org/10.26552/tac.C.2018.1.4