Additional areas covered include:

- Buckinghamshire: WD3 - WD7, WD17 - WD19, WD23 - WD25
- Essex: CM1 - CM4, CM11 - CM15, IG1 - IG11, RM1 - RM20, SS1 - SS7, SS11 - SS17
- Kent: BR1 - BR8, CT1 - CT4, DA1 - DA18, ME1 - ME20, TN1 - TN15
- Middlesex: EN1 - EN11, HA1 - HA9, TW1 - TW20, UB1 - UB10
- Surrey: CRO - CR9, KT1 - KT22, SM1 - SM7