| Code | Area |
| AB | |
| AL | |
| B | |
| BA | |
| BB | |
| BD | |
| BH | |
| BL | |
| BN | |
| BR | |
| BS | |
| BT | |
| CA | |
| CB | |
| CF | |
| CH | |
| CM | |
| CO | |
| CR | |
| CT | |
| CV | |
| CW | |
| DA | |
| DD | |
| DE | |
| DG | |
| DH | |
| DL | |
| DN | |
| DT | |
| DY | |
| E | |
| EC | |
| EH | |
| EN | |
| EX | |
| FK | |
| FY | |
| G | |
| GL | |
| GU | |
| | Code | Area |
| HA | |
| HD | |
| HG | |
| HP | |
| HR | |
| HS | |
| HU | |
| HX | |
| IG | |
| IP | |
| IV | |
| KA | |
| KT | |
| KW | |
| KY | |
| L | |
| LA | |
| LD | |
| LE | |
| LL | |
| LN | |
| LS | |
| LU | |
| M | |
| ME | |
| MK | |
| ML | |
| N | |
| NE | |
| NG | |
| NN | |
| NP | |
| NR | |
| NW | |
| OL | |
| OX | |
| PA | |
| PE | |
| PH | |
| PL | |
| PO | |
| | Code | Area |
| PR | |
| RG | |
| RH | |
| RM | |
| S | |
| SA | |
| SE | |
| SG | |
| SK | |
| SL | |
| SM | |
| SN | |
| SO | |
| SP | |
| SR | |
| SS | |
| ST | |
| SW | |
| SY | |
| TA | |
| TD | |
| TF | |
| TN | |
| TQ | |
| TR | |
| TS | |
| TW | |
| UB | |
| W | |
| WA | |
| WC | |
| WD | |
| WF | |
| WN | |
| WR | |
| WS | |
| WV | |
| YO | |
| ZE | |
|