This is a list of postcodes in the CH88 area covering the areas of North West Securities Bank, Cheshire West and Chester.
 Active postcode
Active postcode 
   Postcode no longer in use
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? | 
|---|---|---|---|---|---|---|
| CH88 3AN | 53.194607 | -2.874553 | 341669 | 366749 | SJ416667 | Yes | 
| CH88 3AP | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3AQ | 53.197743 | -2.884482 | 341010 | 367106 | SJ410671 | No | 
| CH88 3BE | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3GN | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3NR | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3NW | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3SD | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3SE | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3WA | 53.197743 | -2.884482 | 341010 | 367106 | SJ410671 | No | 
| CH88 3WB | 53.197743 | -2.884482 | 341010 | 367106 | SJ410671 | No | 
| CH88 3WD | 53.197743 | -2.884482 | 341010 | 367106 | SJ410671 | No | 
| CH88 3WE | 53.197743 | -2.884482 | 341010 | 367106 | SJ410671 | No | 
| CH88 3WF | 53.197786 | -2.884632 | 341000 | 367111 | SJ409671 | No | 
| CH88 3WH | 53.197743 | -2.884482 | 341010 | 367106 | SJ410671 | No | 
| CH88 3WR | 53.197743 | -2.884482 | 341010 | 367106 | SJ410671 | No | 
| CH88 3WS | 53.197786 | -2.884632 | 341000 | 367111 | SJ409671 | No | 
| CH88 3XS | 53.197743 | -2.884482 | 341010 | 367106 | SJ410671 | No | 
| CH88 3YD | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3YQ | 53.197743 | -2.884482 | 341010 | 367106 | SJ410671 | No | 
| CH88 3YR | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3YS | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3ZG | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3ZJ | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3ZT | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No | 
| CH88 3ZU | 53.161227 | -2.906225 | 339506 | 363062 | SJ395630 | No |