Phase I Patlachique (+/- 100 B.C.) A city from about 4 square kilometers. The house were, with a few exceptions, on ground floor and they had, just like Roman villa's a patio as a central point from which different rooms could be visited. These rooms didn't have windows on the outside, so the light came from the patio and the inhabitants had all privacy in their homes. During this period Teotihuacan had about ,000 inhabitants.

Phase II Tzacualli or Teotihuacán I (100-150 A.D.) the city grew to about 17 square kilometers, it's estimated that the city had about 30,000 inhabitants. It's very probably that during this period, construcctions began of the Temples of the Sun, the Temple of the Moon and the Temple of Quetzalcoátl. It's assumed that the Avenue of the Dead and the Eastern Avenue already existed.

Phase III Miccaotli or Teotihuacán II (150-200 A.D.). The city was in it's heydays and grew to about 22,5 square kilometers and a population of about 45,000 inhabitants. In this period the construction of the Western Avenue began.

Phase IV Tlamimilolpa or Teotihuacán IIA (250-450 A.D.) Probably in this period contacts started with the Maya civilisation and first contacts with the city of Veracruz. The city became smaller, but the population grew to about 65,000 inhabitants)

Phase V Xolalpan or Teotihuacán III and IIIA (450-650 B.C)

Phase VI Metepec or Teotihuacán IV (650-750) a period of depopulation

Phase V Oxtotícpac (750-800) depopulation continues

Resource: De Teotihuacán a los Aztecas - Antología de fuentes e interpretaciones históricas - Miguel León-Portilla