+49-201-(56059000...56059999): Essen, Nordrhein-Westfalen (NW) Xem thêm về +49-201-(56059000...56059999)
+49-202-(57469000...57469999): Wuppertal, Nordrhein-Westfalen (NW) Xem thêm về +49-202-(57469000...57469999)
+49-203-(41509000...41509999): Duisburg, Nordrhein-Westfalen (NW) Xem thêm về +49-203-(41509000...41509999)
+49-2041-(4039000...4039999): Bottrop, Nordrhein-Westfalen (NW) Xem thêm về +49-2041-(4039000...4039999)
+49-2043-(2009000...2009999): Gladbeck, Nordrhein-Westfalen (NW) Xem thêm về +49-2043-(2009000...2009999)
+49-2045-(4009000...4009999): Bottrop-Kirchhellen, Nordrhein-Westfalen (NW) Xem thêm về +49-2045-(4009000...4009999)
+49-2051-(9184000...9184999): Velbert, Nordrhein-Westfalen (NW) Xem thêm về +49-2051-(9184000...9184999)
+49-2052-(5009000...5009999): Velbert-Langenberg, Nordrhein-Westfalen (NW) Xem thêm về +49-2052-(5009000...5009999)
+49-2053-(9904000...9904999): Velbert-Neviges, Nordrhein-Westfalen (NW) Xem thêm về +49-2053-(9904000...9904999)
+49-2054-(9859000...9859999): Essen-Kettwig, Nordrhein-Westfalen (NW) Xem thêm về +49-2054-(9859000...9859999)
