All postcodes in CM23 9
| Postcode | Place | Type |
|---|---|---|
| CM23 9BA | Bishop's Stortford | large user |
| CM23 9DR | Bishop's Stortford | large user |
| CM23 9EE | Bishop's Stortford | large user |
| CM23 9HH | Bishop's Stortford | large user |
| CM23 9HQ | Bishop's Stortford | large user |
| CM23 9HT | Bishop's Stortford | large user |
| CM23 9JB | Bishop's Stortford | large user |
| CM23 9JT | Bishop's Stortford | large user |
| CM23 9JW | Bishop's Stortford | large user |
| CM23 9LG | Bishop's Stortford | large user |
| CM23 9NE | Bishop's Stortford | large user |
| CM23 9NG | Bishop's Stortford | large user |
| CM23 9NJ | Bishop's Stortford | large user |
| CM23 9NW | Bishop's Stortford | large user |
| CM23 9NY | Bishop's Stortford | large user |
| CM23 9PQ | Bishop's Stortford | large user |
| CM23 9PU | Bishop's Stortford | large user |
| CM23 9PY | Bishop's Stortford | large user |
| CM23 9QH | Bishop's Stortford | large user |