| Reference | post code | location 1 | location 2 | 
| CM20 1 | CM20 | TANYS DELL |  | 
| CM20 2 | CM20 | TEMPLE BANK | RIVER WAY HARLOW | 
| CM20 3 | CM20 | THE CHANTRY | HARLOW | 
| CM20 4 | CM20 | COOKS SPINNEY | HARLOW | 
| CM20 5 | CM20 | FELMONGERS | HARLOW | 
| CM20 6 | CM20 | LADYSHOT | HARLOW | 
| CM20 7 | CM20 | BLACKBUSH SPRING | HARLOW | 
| CM20 8 | CM20 | THE DOWNS | HARLOW | 
| CM20 9 | CM20 | PITTMANS FIELD | HARLOW | 
| CM20 11 | CM20 | THE DASHES | HARLOW | 
| CM20 12 | CM20 | NETTESWELL CROSS | HARLOW | 
| CM20 13 | CM20 | PARK COURT | HARLOW | 
| CM20 16 | CM20 | HARLOW MILL STATION |  | 
| CM20 26 | CM20 | MARK HALL POST OFFICE | 34 THE STOW | 
| CM20 28 | CM20 | ROWNEYBURY | HARLOW | 
| CM20 32 | CM20 | HARLOW TOWN STATION | HARLOW | 
| CM20 39 | CM20 | BROADWALK | HARLOW | 
| CM20 53 | CM20 | THE GLEBE | HARLOW | 
| CM20 55 | CM20 | TUNMEADE | HARLOW | 
| CM20 63 | CM20 | FOLD CROFT | HARLOW | 
| CM20 76 | CM20 | RIVER MILL | HARLOW | 
| CM20 97 | CM20 | GILSTON PARK | HARLOW | 
| CM20 126 | CM20 | PYE CORNER | GILSTON | 
| CM20 221 | CM20 | RIVERSIDE COURT | CAMBRIDGE ROAD | 
| CM20 222 | CM20 | TESCO | EDINBURGH WAY | 
| CM20 1005 | CM20 | RIVER WAY | HARLOW | 
| CM20 223 | CM20 1AA | HARLOW DELIVERY OFFICE | STONE CROSS | 
| CM20 500 | CM20 1AA | BRANCH OFFICE HARLOW POST OFFICE | STONE CROSS SIDE HARLOW | 
| CM20 95 | CM20 1AB | WESTGATE | HARLOW | 
| CM20 227 | CM20 1AN | ASDA STORES | WATER GARDENS, HARLOW | 
| CM20 50 | CM20 1QR | WYCH ELM |  | 
| CM20 58 | CM20 1RN | RECTORY WOOD | HARLOW | 
| CM20 64 | CM20 1SX | COLT HATCH | HARLOW | 
| CM20 1003 | CM20 2AP | BROMLEYS SOUTH ROAD | HARLOW | 
| CM20 15 | CM20 2AR | BROMLEYS SOUTH ROAD | HARLOW | 
| CM20 67 | CM20 2DJ | MILL HTACH | HARLOW | 
| CM20 29 | CM20 2HS | BURNT MILL | HARLOW | 
| CM20 79 | CM20 2PG | ALTHAM GROVE | HARLOW | 
| CM20 143 | CM20 2QP | THE LION | HARLOW | 
| CM20 140 | CM20 2QS | DUSTY MILLER | BURNT LANE | 
| CM20 10 | CM20 3JR | HALLING HILL | HARLOW | 
Map boundaries are based on data from