By area code:Area Code Locatorguide —Now with Time Zones!— area codes listednumericallywith major cities,updated2024-11-03 En español:Localizador de Códigos de Área,con husos horarios,actualizado2024-11-03;(indicativos regionales, claves LADA de EE.UU. y de Canadá) ...
most systems are designed that a channel may be reused up to five or ten times in a single metropolitan area. For example, in Chicago metropolitan area one might be able to reuse a channel up to five to ten different times. The limited antenna heights, and the tightly designed cellular pa...