Postcode areas 33 - Bielefeld, Paderborn, Bad Driburg, Gütersloh
- Postcode area 33014 Bad Driburg
- Postcode area 33034 Brakel
- Postcode area 33039 Nieheim
- Postcode area 33098 Paderborn
- Postcode area 33100 Paderborn
- Postcode area 33102 Paderborn
- Postcode area 33104 Paderborn
- Postcode area 33106 Paderborn
- Postcode area 33129 Delbrück
- Postcode area 33142 Büren
- Postcode area 33154 Salzkotten
- Postcode area 33161 Hövelhof
- Postcode area 33165 Lichtenau
- Postcode area 33175 Bad Lippspringe
- Postcode area 33178 Borchen
- Postcode area 33181 Wünnenberg
- Postcode area 33184 Altenbeken
- Postcode area 33189 Schlangen
- Postcode area 33330 Gütersloh
- Postcode area 33332 Gütersloh
- Postcode area 33333 Bertelsmann
- Postcode area 33334 Gütersloh
- Postcode area 33335 Gütersloh
- Postcode area 33378 Rheda-Wiedenbrück
- Postcode area 33397 Rietberg
- Postcode area 33415 Verl
- Postcode area 33428 Harsewinkel
- Postcode area 33442 Herzebrock-Clarholz
- Postcode area 33449 Langenberg
- Postcode area 33602 Bielefeld
- Postcode area 33604 Bielefeld
- Postcode area 33605 Bielefeld
- Postcode area 33607 Bielefeld
- Postcode area 33609 Bielefeld
- Postcode area 33611 Bielefeld
- Postcode area 33613 Bielefeld
- Postcode area 33615 Bielefeld
- Postcode area 33617 Bielefeld
- Postcode area 33619 Bielefeld
- Postcode area 33647 Bielefeld
- Postcode area 33649 Bielefeld
- Postcode area 33659 Bielefeld
- Postcode area 33689 Bielefeld
- Postcode area 33699 Bielefeld
- Postcode area 33719 Bielefeld
- Postcode area 33729 Bielefeld
- Postcode area 33739 Bielefeld
- Postcode area 33758 Schloß Holte-Stukenbrock
- Postcode area 33775 Versmold
- Postcode area 33790 Halle (Westfalen)
- Postcode area 33803 Steinhagen
- Postcode area 33813 Oerlinghausen
- Postcode area 33818 Leopoldshöhe
- Postcode area 33824 Werther (Westf.)
- Postcode area 33829 Borgholzhausen