| Reference |
post code |
location 1 |
location 2 |
| SG6 1 | | LETCHWORTH DELIVERY OFFICE | FIRST AVENUE |
| SG6 3 | | SUCH CLOSE | WORKS ROAD |
| SG6 4 | | JUBILEE ROAD | |
| SG6 6 | | MORRISONS | |
| SG6 10 | | SOUTHERN WAY | |
| SG6 17 | | PENN WAY | |
| SG6 145 | | LETCHWORTH CORNER | POST OFFICE |
| SG6 146 | | NORTON | POST OFFICE |
| SG6 147 | | NEVELLS ROD | |
| SG6 148 | | NORTON WAY NORTH | |
| SG6 149 | | BALDOCK ROAD | |
| SG6 150 | | NORTON CHURCH | |
| SG6 151 | | PIXMORE AVENUE | |
| SG6 153 | | PIXMORE WAY | |
| SG6 154 | | RIDGE ROAD | |
| SG6 155 | | SOLLERSHOT EAST | |
| SG6 157 | | NORTON WAY SOUTH | |
| SG6 158 | | ELDEFIELDS | |
| SG6 159 | | WILBURY ROAD | |
| SG6 160 | | BIRDS HILL | |
| SG6 161 | | BEDFORD ROAD | |
| SG6 162 | | CROMWELL GREEN | |
| SG6 163 | | BROADWATER AVENUE | |
| SG6 167 | | SPRING ROAD | |
| SG6 168 | | WEST VIEW | |
| SG6 169 | | JACKMANS PLACE | |
| SG6 170 | | ABBOTTS ROAD | |
| SG6 171 | | BROADWAY | |
| SG6 172 | | LEYS AVENUE | |
| SG6 173 | | ICKNIELD WAY EAST | |
| SG6 174 | | JUBILEE ROAD | |
| SG6 175 | | WILLIAN | POST OFFICE |
| SG6 210 | | HITCHIN ROAD | |
| SG6 250 | | MONKLANDS | |
| SG6 251 | | WILLIAN WAY | |
| SG6 265 | | VALLEY ROAD | |
| SG6 269 | | ARCHERS WAY | |
| SG6 285 | | EASTERN WAY | |
| SG6 286 | | SOUTHFIELDS | POST OFFICE |
| SG6 301 | | GAUNTS WAY | |
| SG6 311 | | BURLEY | |
| SG6 317 | | LETCHWORTH LANE | |
| SG6 319 | | LONGMEAD | |
| SG6 351 | | HOWARD DRIVE | |
| SG6 358 | | JACKMANS | POST OFFICE |
| SG6 360 | | BAYWORTH | |
| SG6 378 | | JARDEN | |
| SG6 379 | | MADDLES | RADBURN WAY |
| SG6 382 | | WESTERN WAY | |
| SG6 2 | SG6 3AA | LETCHWORTH POST OFFICE | BROADWAY |
| SG6 5 | SG6 3AA | LETCHWORTH CFPO | BROADWAY |
| SG6 383 | SG6 3BJ | LETCHWORTH CFPO | 73 STATION ROAD |
Map boundaries are based on data from