So i dont think its going to be possible, i need to create a new data table that has a Y or N next to each postcode...
Short Postcode Delivery Availability
BN1 Y
BN3 Y
BN45 Y
BN17 N
BN18 N
and so on..
this is the only data source have
Short Postcode Delivery Availability
BN1 Y
BN3 Y
BN45 Y
BN17 N
BN18 N
and so on..
this is the only data source have

BN | BN1,3,45 | 4 |
BN | BN11,14-15 | 6 |
BN | BN12-13,16 | 14 |
BN | BN17-18 | 0 |
BN | BN2,9-10 | 6 |
BN | BN20-21,25-26 | 22 |
BN | BN22-24,27 | 22 |
BN | BN5,41-44 | 2 |
BN | BN6-8 | 3 |