+49-201-(49867000...49867999): Essen, Nordrhein-Westfalen (NW) Read more about +49-201-(49867000...49867999)
+49-202-(4591000...4591999): Wuppertal, Nordrhein-Westfalen (NW) Read more about +49-202-(4591000...4591999)
+49-211-(9915000...9915999): Düsseldorf, Nordrhein-Westfalen (NW) Read more about +49-211-(9915000...9915999)
+49-2203-(9404000...9404999): Köln-Porz, Nordrhein-Westfalen (NW) Read more about +49-2203-(9404000...9404999)
+49-221-(9736000...9736999): Köln, Nordrhein-Westfalen (NW) Read more about +49-221-(9736000...9736999)
+49-2222-(8388000...8388999): Bornheim Rheinland, Rheinland-Pfalz (RP) Read more about +49-2222-(8388000...8388999)
+49-2225-(7095000...7095999): Meckenheim Rheinland, Rheinland-Pfalz (RP) Read more about +49-2225-(7095000...7095999)
+49-2225-(7097000...7097999): Meckenheim Rheinland, Rheinland-Pfalz (RP) Read more about +49-2225-(7097000...7097999)
+49-2226-(8926000...8926999): Rheinbach, Nordrhein-Westfalen (NW) Read more about +49-2226-(8926000...8926999)
+49-2228-(421000...421999): Remagen-Rolandseck, Rheinland-Pfalz (RP) Read more about +49-2228-(421000...421999)