| Reference |
post code |
location 1 |
location 2 |
| SL4 8 | SL4 1 | THAMES STREET | WINDSOR |
| SL4 29 | SL4 1 | WINDSOR CASTLE | HORSESHOE CLOISTERS |
| SL4 32 | SL4 1 | GOSWELL ROAD | |
| SL4 63 | SL4 1 | NORMAN GATE WINDSOR CASTLE | |
| SL4 75 | SL4 1 | WINDSOR CASTLE POST OFFICE | |
| SL4 88 | SL4 1 | RIVER STREET | |
| SL4 92 | SL4 1 | BACHELORS ACRE | |
| SL4 94 | SL4 1 | MIDDLE WARD | WINDSOR CASTLE |
| SL4 95 | SL4 1 | MIDDLE WARD | WINDSOR CASTLE |
| SL4 97 | SL4 1AA | PEASCOD STREET | WINDSOR |
| SL4 52 | SL4 1JQ | GROVE ROAD | WINDSOR |
| SL4 33 | SL4 1LP | PARK STREET | |
| SL4 43 | SL4 1LR | GUILDHALL HIGH STREET | |
| SL4 4 | SL4 1PG | HIGH STREET WINDSOR | BARCLAYS BANK |
| SL4 5 | SL4 2 | EDINBURGH GARDENS | WINDSOR |
| SL4 13 | SL4 2 | LOVEL ROAD WINKFIELD | WINDSOR |
| SL4 14 | SL4 2 | LOVEL HILL WINKFIELD | WINDSOR |
| SL4 18 | SL4 2 | BURFIELD ROAD | NEWTON COURT OLD WINDSOR |
| SL4 27 | SL4 2 | KINGS ROAD | QUEEN ANNES MEAD |
| SL4 40 | SL4 2 | CHURCH ROAD OLD WINDSOR | |
| SL4 49 | SL4 2 | OUSELEY ROAD OLD WINDSOR | |
| SL4 56 | SL4 2 | OLD FRIARY POST OFFICE | STRAIGHT ROAD |
| SL4 59 | SL4 2 | WINDSOR GREAT PARK POST OFFICE | |
| SL4 60 | SL4 2 | HATCHET LANE WINKFIELD | CRANBOURNE |
| SL4 62 | SL4 2 | SHAW FARM GATE OLD WINDSOR | |
| SL4 64 | SL4 2 | WOODSIDE ROAD WINKFIELD | |
| SL4 65 | SL4 2 | SAINT LUKES ROAD OLD WINDSOR | |
| SL4 69 | SL4 2 | CUMBERLAND LODGE | WINDSOR GREAT PARK |
| SL4 70 | SL4 2 | ALBANY ROAD OLD WINDSOR | |
| SL4 85 | SL4 2 | FROGMORE OLD WINDSOR | |
| SL4 87 | SL4 2 | ASHBROOK ROAD | |
| SL4 89 | SL4 2 | HAM ISLAND OLD WINDSOR | |
| SL4 74 | SL4 2QZ | CRIMPHILL ROAD OLD WINDSOR | |
| SL4 6 | SL4 3 | SAINT LEONARDS ROAD | KING EDWARD VII HOSPITAL |
| SL4 24 | SL4 3 | ALMA ROAD | WINDSOR |
| SL4 25 | SL4 3 | SAINT MARKS ROAD | |
| SL4 39 | SL4 3 | CLEWER GREEN POST OFFICE | SAINT LEONARDS ROAD |
| SL4 42 | SL4 3 | HATCH LANE | |
| SL4 45 | SL4 3 | CAVALRY CRESCENT | |
| SL4 50 | SL4 3 | BOLTON AVENUE | |
| SL4 55 | SL4 3 | YORK ROAD | |
| SL4 58 | SL4 3 | SPRINGFIELD ROAD POST OFFICE | |
| SL4 83 | SL4 3 | UPCROFT | |
| SL4 93 | SL4 3 | FOUNTAIN GARDENS | |
| SL4 19 | SL4 3AJ | FRANCES ROAD | WINDSOR |
| SL4 10 | SL4 4 | PERRYCROFT | WINDSOR |
| SL4 11 | SL4 4 | FOSTER AVENUE | WINDSOR |
| SL4 26 | SL4 4 | WINKFIELD STREET | |
| SL4 30 | SL4 4 | CHURCH ROAD | WINKFIELD CHURCH |
| SL4 36 | SL4 4 | WOLF LANE | |
| SL4 41 | SL4 4 | OAKLEY GREEN ROAD | BRAYWOOD INN |
| SL4 51 | SL4 4 | OAKLEY GREEN POST OFFICE | OAKLEY GREEN ROAD |
| SL4 54 | SL4 4 | DRIFT ROAD WINKFIELD | NEW LODGE |
| SL4 57 | SL4 4 | FAIRACRES INDUSTRIAL ESTATE | |
| SL4 72 | SL4 4 | ILLINGWORTH | |
| SL4 76 | SL4 4 | MAIDENS GREEN WINKFIELD | |
| SL4 78 | SL4 4 | SAINT ANDREWS CRESCENT | |
| SL4 79 | SL4 4 | SEBASTAPOL | CLEWER HILL ROAD |
| SL4 82 | SL4 4 | CLEWER HILL ROAD | |
| SL4 84 | SL4 4 | NORTH STREET WINKFIELD | MEADOWCROFT |
| SL4 73 | SL4 4JF | FUZZENS WALK | |
| SL4 15 | SL4 4PZ | OAKLEY GREEN ROAD | WINDSOR |
| SL4 77 | SL4 4RU | WINKFIELD LANE | ORCHARD LEA |
| SL4 31 | SL4 4TP | WINKFIELD POST OFFICE | NORTH STREET WINKFIELD |
| SL4 1 | SL4 5 | BEXLEY STREET POST OFFICE | |
| SL4 2 | SL4 5 | CLARENCE ROAD | GREENS FOLLY |
| SL4 7 | SL4 5 | CLARENCE ROAD | MEMORIAL HALL |
| SL4 9 | SL4 5 | MAIDENHEAD ROAD | WINDSOR |
| SL4 12 | SL4 5 | DEDWORTH ROAD | WINDSOR |
| SL4 16 | SL4 5 | SAWYERS CLOSE | WINDSOR |
| SL4 17 | SL4 5 | WINDSOR ROAD | WATER OAKLEY FARM |
| SL4 28 | SL4 5 | VANSITTART ROAD | |
| SL4 37 | SL4 5 | CLARENCE ROAD POST OFFICE | |
| SL4 68 | SL4 5 | DEDWORTH ROAD POST OFFICE | DEDWORTH GREEN |
| SL4 80 | SL4 5 | MAIDENHEAD ROAD | THE WILLOWS |
| SL4 86 | SL4 5 | GALLYS ROAD | |
| SL4 90 | SL4 5 | PIERSON ROAD | |
| SL4 91 | SL4 5 | TESTWOOD ROAD | |
| SL4 96 | SL4 5 | GUARDS ROAD | BROOM FARM |
| SL4 98 | SL4 5 | VANSITTART ESTATE | |
| SL4 47 | SL4 5JR | VALE ROAD POST OFFICE | |
| SL4 81 | SL4 5LS | TUDOR WAY | WINDSOR |
| SL4 3 | SL4 6 | HIGH STREET ETON | ETON COLLEGE |
| SL4 20 | SL4 6 | BOVENEY ROAD DORNEY | BOVENEY COURT |
| SL4 21 | SL4 6 | ETON WICK POST OFFICE | |
| SL4 22 | SL4 6 | THAMES STREET | WINDSOR ROYAL STATION |
| SL4 23 | SL4 6 | ETON HIGH STREET | |
| SL4 35 | SL4 6 | COMMON LANE ETON | |
| SL4 44 | SL4 6 | SLOUGH ROAD ETON | WILLOWBROOK |
| SL4 46 | SL4 6 | KEATES LANE ETON | |
| SL4 53 | SL4 6 | ETON WICK ROAD | COTTON HALL |
| SL4 66 | SL4 6 | ETON WICK ROAD | OLD POST OFFICE |
| SL4 67 | SL4 6 | VILLAGE ROAD DORNEY | |
| SL4 71 | SL4 6 | LAKE END ROAD DORNEY | |
| SL4 34 | SL4 6AR | ETON POST OFFICE | |
| SL4 48 | SL4 6NP | ETON WICK ROAD | BOVENEY NEW ROAD |
| SL4 61 | SL4 6PB | SOMERVILLE ROAD | ETON WICK |
Map boundaries are based on data from