Hertfordshire County Postcodes
England, United Kingdom · 52 codes
Hertfordshire County in England has 52 postcodes, from AL1 to WD99, serving 278 places.
Postcodes in Hertfordshire
| Postcode | Places |
|---|---|
| AL1 | St Albans |
| AL10 | Hatfield |
| AL2 | Bricket Wood, Chiswell Green, Colney Street, Frogmore, London Colney, Park Street +2 more |
| AL3 | Cheverell's Green, Childwick Green, Church End, Flamstead, Markyate, Redbourn +3 more |
| AL4 | Blackmore End, Colney Heath, Marshall's Heath, Sandridge, The Folly, Wheathampstead |
| AL5 | Harpenden, Hatching Green, Kinsbourne Green |
| AL6 | Ayot St Lawrence, Ayot St Peter, Burnham Green, Harmer Green, Oaklands, Tewin +1 more |
| AL7 | Hatfield Hyde |
| AL8 | Cromer Hyde, Digswell, Lemsford, Stanborough, Welwyn Garden City |
| AL9 | Bell Bar, Brookmans Park, Essendon, Water End, Welham Green, Wildhill +1 more |
| CM20 | Eastwick |
| CM21 | Allen's Green, High Wych, Sawbridgeworth |
| CM23 | Bishop's Stortford, Thorley |
| EN10 | Broxbourne, Turnford, Wormley |
| EN11 | Hailey, Hoddesdon, Rye Park, Spitalbrook |
| EN6 | Cuffley, Northaw, Potters Bar, Ridge, South Mimms |
| EN7 | Churchgate, Flamstead End, Goff's Oak, Hammond Street |
| EN8 | Cheshunt, Waltham Cross |
| HP1 | Bourne End, Boxmoor, Great Gaddesden, Nettleden, Water End |
| HP2 | Gaddesden Row, Piccotts End |
| HP23 | Aldbury, Buckland Common, Hastoe, Long Marston, New Mill, St Leonards +3 more |
| HP3 | Apsley, Bovingdon, Felden, Flaunden, Hemel Hempstead, Leverstock Green |
| HP4 | Berkhamsted, Dagnall, Little Gaddesden, Northchurch, Potten End, Ringshall |
| LU2 | Cockernhoe, Lilley, Peter's Green |
| SG1 | Stevenage |
| SG10 | Green Tye, Hadham Cross, Much Hadham, Perry Green |
| SG11 | Albury, Braughing, Bury Green, Collier's End, Hadham Ford, Haultwick +7 more |
| SG12 | Baker's End, Chapmore End, Dane End, Great Amwell, Green End, Hunsdon +9 more |
| SG13 | Bayford, Bayfordbury, Epping Green, Hertford, Hertford Heath, Little Amwell +2 more |
| SG14 | Bengeo, Bramfield, Cole Green, Hertingfordbury, Letty Green, Stapleford +2 more |
| SG2 | Ardeley, Aston, Aston End, Benington, Bragbury End, Broadwater +6 more |
| SG3 | Bull's Green, Datchworth, Datchworth Green, Knebworth, Old Knebworth, Woolmer Green |
| SG4 | Bendish, Breachwood Green, Codicote, Gosmore, Graveley, Great Wymondley +14 more |
| SG5 | Apsley End, Astwick, Charlton, Great Offley, Hexton, Higham Gobion +5 more |
| SG6 | Letchworth, Norton, Willian |
| SG7 | Ashwell, Baldock, Bygrave, Caldecote, Clothall, Hinxworth +3 more |
| SG8 | Barkway, Barley, Kelshall, Nuthampstead, Reed, Royston +1 more |
| SG9 | Anstey, Aspenden, Barleycroft End, Brent Pelham, Buckland, Buntingford +16 more |
| WD1 | Bushey, Chandler's Cross, South Oxhey, Watford |
| WD17 | Watford |
| WD18 | Watford |
| WD19 | Watford |
| WD2 | Abbots Langley, Aldenham, Bushey Heath, Letchmore Heath, Merry Hill |
| WD23 | Bushey |
| WD24 | Watford |
| WD25 | Watford |
| WD3 | Batchworth, Batchworth Heath, Chorleywood, Croxley Green, Heronsgate, Maple Cross +3 more |
| WD4 | Bucks Hill, Chipperfield, Huntonbridge, Kings Langley |
| WD5 | Bedmond |
| WD6 | Borehamwood, Elstree, Green Street |
| WD7 | Radlett, Shenley, Shenleybury |
| WD99 | Watford |
Frequently asked questions
What is the postcode of Hertfordshire?
Hertfordshire has 52 postcodes, from AL1 to WD99. The table lists the places each one serves.
How many places are listed in Hertfordshire County?
278 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.