| Reference |
post code |
location 1 |
location 2 |
| W1 1 | W1 7PU | CHILTERN STREET | PORTER STREET |
| W1 134 | W1 7TB | GREAT CUMBERLAND PLACE | |
| W1 30 | W1 B1JA | PORTLAND PLACE | OPPOSITEOSITE THE LANGHAM HOTEL |
| W1 37 | W1 B1JQ | PORTLAND PLACE | OPPOSITEOSITE 38 |
| W1 36 | W1 B1NU | PARK CRESCENT | PORTLAND PLACE |
| W1 35 | W1 B1QL | PORTLAND PLACE | OPPOSITEOSITE 55 |
| W1 91 | W1 B2AR | REGENT STREET | HANOVER STREET |
| W1 82 | W1 B2LW | PRINCESS STREET | |
| W1 46 | W1 B3AT | REGENT STREET | OPPOSITEOSITE 308 |
| W1 45 | W1 B3AW | REGENT STREET | OPPOSITEOSITE 294 |
| W1 96 | W1 B4EZ | SWALLOW STREET | REGENT STREET |
| W1 97 | W1 B4PH | REGENT STREET | NEW BURLINGTON STREET |
| W1 103 | W1 B5AH | REGENT STREET | NEAR FOUBERTS PLACE |
| W1 109 | W1 B5BL | GLASSHOUSE STREET | AIR STREET |
| W1 104 | W1 B5SG | REGENT STREET | REGENT PLACE |
| W1 77 | W1 C2DN | OXFORD STREET | OPPOSITEOSITE JOHN LEWIS |
| W1 78 | W1 C2PB | OXFORD STREET | BINNEY STREET |
| W1 98 | W1 D4NU | SOHO SQUARE | GREEK STREET |
| W1 114 | W1 D4TZ | OLD COMPTON STREET | DEAN STREET |
| W1 113 | W1 D5EN | SHAFTESBURY AVENUE | OPPOSITEOSITE 114 |
| W1 112 | W1 D6LQ | SHAFTESBURY AVENUE | OPPOSITEOSITE 63 |
| W1 111 | W1 D7AG | COVENTRY STREET | RUPERT STREET |
| W1 110 | W1 D7HX | DENMAN STREET | SHAFTESBURY AVENUE |
| W1 108 | W1 F0RD | BREWER STREET | WARDOUR STREET |
| W1 101 | W1 F7JF | GREAT MARLBOROUGH STREET | |
| W1 99 | W1 F8GQ | NOEL STREET | POLAND STREET |
| W1 116 | W1 F8HU | BROADWICK STREET | |
| W1 117 | W1 F8HU | CAVENDISH SQUARE | SOUTH EAST CORNER |
| W1 106 | W1 F9JD | LOWER JAMES STREET | GOLDEN SQUARE |
| W1 105 | W1 F9LA | GOLDEN SQUARE | |
| W1 107 | W1 F9RN | BEAK STREET | GREAT PULTNEY STREET |
| W1 27 | W1 G0LA | CAVENDISH SQUARE | MARGARET STREET |
| W1 29 | W1 G0LZ | MARYLEBONE LANE | |
| W1 119 | W1 G0LZ | HENRIETTA PLACE | |
| W1 28 | W1 G0PH | CAVENDISH SQUARE (N.E. CORNER) | |
| W1 118 | W1 G0PH | CAVENDISH SQUARE | NORTH EAST CORNER |
| W1 23 | W1 G6HZ | DEVONSHIRE PLACE | MARYLEBONE ROAD |
| W1 26 | W1 G6NG | UPPER WIMPOLE STREET | |
| W1 25 | W1 G6PQ | DEVONSHIRE STREET | |
| W1 22 | W1 G7JP | HARLEY STREET | PARK CRESCENT |
| W1 34 | W1 G8HR | QUEEN ANNE STREET | WELBECK STREET |
| W1 33 | W1 G8TJ | NEW CAVENDISH STREET | WIMPOLE STREET |
| W1 32 | W1 G9JH | QUEEN ANNE STREET | HARLEY STREET |
| W1 121 | W1 G9JH | QUEEN ANNE STREET | |
| W1 31 | W1 G9NH | MANSFIELD STREET | NEW CAVENDISH STREET |
| W1 3 | W1 H1PL | CRAWFORD STREET | |
| W1 9 | W1 H2DH | BRYANSTON SQUARE | |
| W1 7 | W1 H2DT | BRYANSTON PLACE | |
| W1 6 | W1 H2LJ | MONTAGUE SQUARE | |
| W1 2 | W1 H4PL | SEYMOUR PLACE | |
| W1 8 | W1 H5YY | BROWN STREET | |
| W1 13 | W1 H6DU | PORTMAN STREET | |
| W1 12 | W1 H6HJ | ORCHARD STREET | |
| W1 17 | W1 H6LP | PORTMAN SQUARE | GLOUCESTER PLACE |
| W1 15 | W1 H6NA | PORTMAN SQUARE | OPPOSITEOSITE 7 |
| W1 14 | W1 H7DS | GREAT CUMBERLAND PLACE | |
| W1 16 | W1 H7RZ | NEW QUEBEC STREET | |
| W1 130 | W1 H9PS | POST OFFICE | 2 PORTMAN SQUARE |
| W1 95 | W1 J0DB | PICCADILLY | PICCADILLY PLACE |
| W1 93 | W1 J0DU | PICCADILLY | OUTSIDE BURLINGTON HOUSE |
| W1 61 | W1 J5AN | HILL STREET | BEKELEY SQUARE |
| W1 69 | W1 J5EG | CHARLES STREET | |
| W1 60 | W1 J5JH | CHESTERFIELD HILL | SOUTH STREET |
| W1 76 | W1 J6ES | BERKELEY SQUARE | S.E. CORNER |
| W1 62 | W1 J6QU | BRUTON STREET | OPPOSITEOSITE 33 |
| W1 70 | W1 J7DY | HALFMOON STREET | PICCADILLY |
| W1 67 | W1 J7JS | DOWN STREET | |
| W1 68 | W1 J7LS | TREBECK STREET | SHEPHERD MARKET |
| W1 66 | W1 J7NS | HAMILTON PLACE | PICCADILLY |
| W1 65 | W1 J7RU | HERTFORD STREET | PARK LANE |
| W1 73 | W1 J8DA | STRATTON STREET | OPPOSITEOSITE STRATTON HOUSE |
| W1 123 | W1 J8DA | STRATTON STREET | OPPOSITEOSITE STRATTON HOUSE |
| W1 74 | W1 J8HR | DOVER STREET | PICCADILLY |
| W1 72 | W1 J8LT | STRATTON STREET | OPPOSITEOSITE STRATTON HOTEL |
| W1 71 | W1 J8PB | BOLTON STREET | CURZON STREET |
| W1 59 | W1 K1DP | AUDLEY SQUARE | |
| W1 64 | W1 K1PL | PARK LANE | CURZON STREET |
| W1 86 | W1 K2HT | CARLOS PLACE | GROSVENOR SQUARE |
| W1 56 | W1 K2SW | MOUNT STREET | PARK LANE |
| W1 40 | W1 K2TH | MOUNT STREET | |
| W1 85 | W1 K4NA | DAVIS STREET | OPPOSITEOSITE 28 |
| W1 58 | W1 K5EL | GROSVENOR SQUARE | BROOK STREET |
| W1 79 | W1 K5HS | DAVIS STREET | SOUTH MOLTON LANE |
| W1 122 | W1 K5HS | DAVIES STREET | SOUTH MOLTON STREET |
| W1 54 | W1 K6HP | NORTH AUDLEY STREET | GREEN STREET |
| W1 55 | W1 K7AJ | PARK LANE | OPPOSITEOSITE 113 |
| W1 57 | W1 K7HJ | PARK STREET | UPPER GROSVENOR STREET |
| W1 124 | W1 M1FE | BAKER STREET POST OFFICE | 111 BAKER STREET |
| W1 126 | W1 N5AH | POST OFFICE | 52/54 GREAT PORTLAND STREET |
| W1 127 | W1 N5TB | 202 GREAT PORTLAND STREET | |
| W1 133 | W1 N5TB | 202 GREAT PORTLAND STREET | |
| W1 80 | W1 S1BS | NEW BOND STREET | BROOK STREET |
| W1 81 | W1 S1HU | TENTERDON STREET | HANOVER SQUARE |
| W1 83 | W1 S1HY | HANOVER SQUARE | ST. GEORGE STREET |
| W1 63 | W1 S2PS | CONDUIT STREET | NEW BOND STREET |
| W1 87 | W1 S2YT | SAVILLE ROW | CONDUIT STREET |
| W1 88 | W1 S3AW | OLD BURLINGTON STREET | CLIFFORD STREET |
| W1 94 | W1 S3DA | SACKVILLE STREET | PICCADILLY |
| W1 92 | W1 S3EN | BURLINGTON GARDENS | NEW BOND STREET |
| W1 90 | W1 S3QQ | SAVILLE ROW | BURLINGTON GARDENS |
| W1 75 | W1 S4EA | GRAFTON STREET | HAY HILL |
| W1 129 | W1 T1AA | WEST END DELIVERY OFFICE | 35/50 RATHBONE PLACE, W1 |
| W1 115 | W1 T1QQ | NEWMAN STREET | |
| W1 52 | W1 T1RR | CHARLOTTE STREET | HOWLAND STREET |
| W1 53 | W1 T2NR | CHARLOTTE STREET | GOODGE STREET |
| W1 42 | W1 T3NA | BERNERS STREET | MORTIMER STREET |
| W1 102 | W1 T3NL | BERNERS STREET | OXFORD STREET |
| W1 43 | W1 T3PH | WELLS STREET | MARGARET STREET |
| W1 47 | W1 T4EW | TOTTENHAM COURT ROAD | |
| W1 48 | W1 T5DL | GRAFTON WAY | |
| W1 51 | W1 T6HW | CLEVELAND STREET | MAPLE STREET |
| W1 49 | W1 T6LA | FITZROY STREET | WARREN STREET |
| W1 21 | W1 U1BQ | WIGMORE STREET | WELBECK STREET |
| W1 18 | W1 U1QG | WIGMORE STREET | JAMES STREET |
| W1 20 | W1 U2QN | THAYER STREET | |
| W1 84 | W1 U2RL | WIGMORE STREET | WIMPOLE STREET |
| W1 120 | W1 U2RL | WIGMORE STREET | WIMPOLE STREET |
| W1 19 | W1 U3PP | MANCHESTER SQUARE | |
| W1 100 | W1 U4PL | MARYLEBONE HIGH STREET | WEYMOUTH STREET |
| W1 24 | W1 U5EW | NOTTINGHAM STREET | NOTTINGHAM PLACE |
| W1 11 | W1 U7HA | BLANDFORD STREET | MANCHESTER STREET |
| W1 4 | W1 U7NF | DORSET STREET | CHILTERN STREET |
| W1 10 | W1 U8AA | BLANDFORD STREET | BAKER STREET |
| W1 5 | W1 U8JP | GLOUCESTER PLACE | |
| W1 50 | W1 W5PP | GREAT PORTLAND STREET(LUL) | |
| W1 38 | W1 W6BP | GILDEA STREET | |
| W1 39 | W1 W7PU | GRREAT TITCHFIELD STREET | LANGHAM PLACE |
| W1 41 | W1 W8AF | MARKET PLACE | GREAT PORTLAND STREET |
| W1 44 | W1 W8EB | EASTCASTLE STREET | WINSLEY STREET |
| W1 125 | W1 X3FE | POST OFFICE | ALBERMARLE STREET |
Map boundaries are based on data from