Postcode areas 53XXX
- Postcode area 53111 Bonn
- Postcode area 53113 Bonn
- Postcode area 53115 Bonn
- Postcode area 53117 Bonn
- Postcode area 53119 Bonn
- Postcode area 53121 Bonn
- Postcode area 53123 Bonn
- Postcode area 53125 Bonn
- Postcode area 53127 Bonn
- Postcode area 53129 Bonn
- Postcode area 53173 Bonn
- Postcode area 53175 Bonn
- Postcode area 53177 Bonn
- Postcode area 53179 Bonn
- Postcode area 53225 Bonn
- Postcode area 53227 Bonn
- Postcode area 53229 Bonn
- Postcode area 53332 Bornheim
- Postcode area 53340 Meckenheim
- Postcode area 53343 Wachtberg
- Postcode area 53347 Alfter
- Postcode area 53359 Rheinbach
- Postcode area 53424 Remagen
- Postcode area 53426 Schalkenbach, Königsfeld, Dedenbach
- Postcode area 53474 Bad Neuenahr-Ahrweiler
- Postcode area 53489 Sinzig
- Postcode area 53498 Bad Breisig, Waldorf, Gönnersdorf
- Postcode area 53501 Grafschaft
- Postcode area 53505 Altenahr, Berg, Kalenborn, Kirchsahr
- Postcode area 53506 Ahrbrück, Heckenbach, Hönningen, Kesseling, Rech
- Postcode area 53507 Dernau
- Postcode area 53508 Mayschoß
- Postcode area 53518 Adenau, Kottenborn u.a.
- Postcode area 53520 Reifferscheid, Kaltenborn, Wershofen u.a.
- Postcode area 53533 Antweiler, Aremberg, Dorsel, Eichenbach, Aremberg, Fuchshofen und Müsch
- Postcode area 53534 Barweiler, Bauler, Hoffeld, Pomster, Wiesemscheid, Wirft
- Postcode area 53539 Bodenbach, Kelberg, Kirsbach u.a.
- Postcode area 53545 Linz am Rhein, Ockenfels
- Postcode area 53547 Breitscheid, Dattenberg, Hausen, Hümmerich, Kasbach-Ohlenberg, Roßbach u
- Postcode area 53557 Bad Hönningen
- Postcode area 53560 Vettelschloß, Kretzhaus (Linz am Rhein)
- Postcode area 53562 Sankt Katharinen (Landkreis Neuwied)
- Postcode area 53567 Asbach, Buchholz
- Postcode area 53572 Bruchhausen, Unkel
- Postcode area 53577 Neustadt (Wied)
- Postcode area 53578 Windhagen
- Postcode area 53579 Erpel
- Postcode area 53604 Bad Honnef
- Postcode area 53619 Rheinbreitbach
- Postcode area 53639 Königswinter
- Postcode area 53721 Siegburg
- Postcode area 53757 Sankt Augustin
- Postcode area 53773 Hennef (Sieg)
- Postcode area 53783 Eitorf
- Postcode area 53797 Lohmar
- Postcode area 53804 Much
- Postcode area 53809 Ruppichteroth
- Postcode area 53819 Neunkirchen-Seelscheid
- Postcode area 53840 Troisdorf
- Postcode area 53842 Troisdorf
- Postcode area 53844 Troisdorf
- Postcode area 53859 Niederkassel
- Postcode area 53879 Euskirchen
- Postcode area 53881 Euskirchen
- Postcode area 53894 Mechernich
- Postcode area 53902 Bad Münstereifel
- Postcode area 53909 Zülpich
- Postcode area 53913 Swisttal
- Postcode area 53919 Weilerswist
- Postcode area 53925 Kall
- Postcode area 53937 Schleiden
- Postcode area 53940 Hellenthal
- Postcode area 53945 Blankenheim
- Postcode area 53947 Nettersheim
- Postcode area 53949 Dahlem