| Country: | Germany |
| Title: | call number management |
| Description: | Information about telephone numbers, number blocks and the national telephone number space. |
| Link: | http://www.bundesnetzagentur.de/cln_1422/DE/Sachgebiete/Telekommunikation/Unternehmen_Institutionen/Nummerierung/Rufnummern/Rufnummern_node.htm |
| Category: | Utilities :: Telephone Service |