+49-2051-(423000...423999): Velbert, Nordrhein-Westfalen (NW) Read more about +49-2051-(423000...423999)
+49-2052-(5029000...5029999): Velbert-Langenberg, Nordrhein-Westfalen (NW) Read more about +49-2052-(5029000...5029999)
+49-2053-(8439000...8439999): Velbert-Neviges, Nordrhein-Westfalen (NW) Read more about +49-2053-(8439000...8439999)
+49-2054-(8603000...8603999): Essen-Kettwig, Nordrhein-Westfalen (NW) Read more about +49-2054-(8603000...8603999)
+49-2056-(989000...989999): Heiligenhaus, Nordrhein-Westfalen (NW) Read more about +49-2056-(989000...989999)
+49-2058-(1759000...1759999): Wülfrath, Nordrhein-Westfalen (NW) Read more about +49-2058-(1759000...1759999)
+49-2064-(6259000...6259999): Dinslaken, Nordrhein-Westfalen (NW) Read more about +49-2064-(6259000...6259999)
+49-2065-(988000...988999): Duisburg-Rheinhausen, Nordrhein-Westfalen (NW) Read more about +49-2065-(988000...988999)
+49-2066-(503000...503999): Duisburg-Homberg, Nordrhein-Westfalen (NW) Read more about +49-2066-(503000...503999)
+49-208-(3066000...3066999): Oberhausen Rheinland, Rheinland-Pfalz (RP) Read more about +49-208-(3066000...3066999)