There are 21 postcodes in the built up area of Piddington (Cherwell). The area contains approximately 137 households with a population of about 324 (2011 census)
 Active postcode
Active postcode 
   Postcode no longer in use
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? | 
|---|---|---|---|---|---|---|
| OX25 1PD | 51.850468 | -1.070742 | 464104 | 217283 | SP641172 | Yes | 
| OX25 1PR | 51.848785 | -1.072896 | 463958 | 217094 | SP639170 | Yes | 
| OX25 1PS | 51.851698 | -1.072851 | 463957 | 217418 | SP639174 | Yes | 
| OX25 1PT | 51.851491 | -1.071635 | 464041 | 217396 | SP640173 | Yes | 
| OX25 1PU | 51.851674 | -1.069846 | 464164 | 217418 | SP641174 | Yes | 
| OX25 1PX | 51.850414 | -1.071948 | 464021 | 217276 | SP640172 | Yes | 
| OX25 1PY | 51.848884 | -1.071703 | 464040 | 217106 | SP640171 | Yes | 
| OX25 1QA | 51.84667 | -1.071415 | 464063 | 216860 | SP640168 | Yes | 
| OX25 1QB | 51.846895 | -1.073762 | 463901 | 216883 | SP639168 | Yes | 
| OX25 1QD | 51.853555 | -1.071172 | 464070 | 217626 | SP640176 | Yes | 
| OX25 1QE | 51.856394 | -1.070896 | 464085 | 217942 | SP640179 | Yes | 
| OX6 0NU | 51.848893 | -1.072879 | 463959 | 217106 | SP639171 | No | 
| OX6 0PD | 51.850486 | -1.070756 | 464103 | 217285 | SP641172 | No | 
| OX6 0PS | 51.851716 | -1.07285 | 463957 | 217420 | SP639174 | No | 
| OX6 0PT | 51.851508 | -1.071606 | 464043 | 217398 | SP640173 | No | 
| OX6 0PU | 51.85171 | -1.069816 | 464166 | 217422 | SP641174 | No | 
| OX6 0PX | 51.850441 | -1.071962 | 464020 | 217279 | SP640172 | No | 
| OX6 0PY | 51.848612 | -1.071477 | 464056 | 217076 | SP640170 | No | 
| OX6 0QA | 51.846679 | -1.071444 | 464061 | 216861 | SP640168 | No | 
| OX6 0QB | 51.847217 | -1.072449 | 463991 | 216920 | SP639169 | No | 
| OX6 0QD | 51.853483 | -1.07113 | 464073 | 217618 | SP640176 | No |