Ecatepec is a city in the State of Mexico (Edo. de Mexico) and is also considered part of northern Mexico City. The Ecatepec commercial directory is one of twelve directories published to cover the high-density metropolis of Mexico City.

The Ecatepec Phone Book contains Yellow Pages listings for the businesses in this city. Many companies have advertisements listing their email and/or web site address. Excellent for creating a targeted email campaign to potential buyers.