| Abbots Langley | ML 106 |
| Albury | ML 74 |
| Aldbury, Long Marston, Puttenham & Wilstone | ML 89 |
| Aldenham incl. Theobald Street | ML 91 |
| Ardeley & Cottered | ML 46 |
| Ashwell | ML 48 |
| Aspenden | ML 35 |
| Aston & Walkern | ML 59 |
| Baldock | ML 42 |
| Barkway & Nuthampstead | ML 60 |
| Barley | ML 40 |
| Chipping & East Barnet A-H | ML 93 |
| Chipping & East Barnet I-Z | ML 94 |
| Bayford & Little Berkhampstead | ML 58 |
| Bengeo | ML 84 |
| Benington & Watton-at-Stone | ML 73 |
| Bishop's Stortford A-J | ML 65 |
| Bishop's Stortford K-Y | ML 66 |
| Bovingdon | ML 108 |
| Bramfield, Sacombe & Stapleford | ML 24 |
| Braughing | ML 29 |
| Brickendon | ML 109 |
| Broxbourne & Wormley | ML 77 |
| Bushey | ML 41 |
| Bygrave, Clothall & Wallington | ML 37 |
| Caldecote, Newnham, Radwell & Hinxworth | ML 21 |
| Cheshunt A-C | ML 97 |
| Cheshunt D-J | ML 98 |
| Cheshunt K-R | ML 99 |
| Cheshunt S-Z | ML 100 |
| Codicote | ML 23 |
| Datchworth | ML 39 |
| Digswell & Tewin | ML 56 |
| Elstree and Shenley | ML 102 |
| Essendon | ML 92 |
| Flamstead & Kensworth | ML 112 |
| Flaunden & Sarratt | ML 62 |
| Gaddesden, Little & Great | ML 110 |
| Gilston, Eastwick & Widford | ML 80 |
| Graveley & The Wymondleys | ML 30 |
| Great Amwell | ML 9 |
| Great Berkhamsted & Frithsden | ML 61 |
| Harpenden | ML 12 |
| Hatfield A-I | ML 95 |
| Hatfield J-Z | ML 96 |
| Hemel Hempstead (Fiche) | ML 1f |
| Hertford A-F St. Andrews & All Saints | ML 53 |
| Hertford G-O St. Andrews & All Saints | ML 54 |
| Hertford P-Y St. Andrews & All Saints | ML 55 |
| Hertingfordbury | ML 33 |
| Hitchin A-E incl. Langley, Preston & Walsworth | ML 43 |
| Hitchin F-O incl. Langley, Preston & Walsworth | ML 44 |
| Hitchin P-Z incl. Langley, Preston & Walsworth | ML 45 |
| Hoddesdon | ML 70 |
| Hormead,Great & Little | ML 31 |
| Hunsdon | ML 85 |
| Ippollitts | ML 63 |
| Kelshall & Therfield | ML 51 |
| Kimpton | ML 71 |
| Kings Langley | ML 107 |
| King's Walden | ML 20 |
| Knebworth & Shephall | ML 11 |
| Layston | ML 16 |
| Letchworth, Norton & Willian | ML 22 |
| Lilley & Hexton | ML 6 |
| Little Amwell & Stanstead St. Margaret | ML 10 |
| Little Hadham | ML 76 |
| Much Hadham | ML 72 |
| Munden Great & Little | ML 69 |
| North Mimms and Northaw | ML 101 |
| Northchurch & Wigginton | ML 88 |
| Offley | ML 5 |
| Pelham, Brent, Furneux & Stocking | ML 32 |
| Pirton & Ickleford | ML 7 |
| Redbourn | ML 111 |
| Reed & Buckland | ML 36 |
| Rickmansworth A-H | ML 104 |
| Rickmansworth I-Z | ML 105 |
| Ridge & Tyttenhanger(Ridge) | ML 86 |
| Royston | ML 113 |
| Rushden & Sandon including Broadfield | ML 57 |
| Sandridge, Ayot St. Peter & Ayot St. Lawrence | ML 2 |
| Sawbridgeworth A-H | ML 81 |
| Sawbridgeworth J-Z | ML 82 |
| St. Albans, Fishpool Ward | ML 49 |
| St. Albans, Holywell Ward | ML 4 |
| St. Albans, Middle Ward | ML 47 |
| St. Albans, St. Peter's Ward | ML 3 |
| St. Albans, St. Peter's Ward (Fiche) | ML 3f |
| St. Albans, St. Michael | ML 52 |
| St. Albans, St. Peter, Sleap & Smallford Ward | ML 14 |
| St. Albans, St. Stephen, Windridge Ward | ML 18 |
| St. Albans, St. Stephen, Park Ward | ML 67 |
| St. Pauls Walden & Stagenhoe | ML 34 |
| Standon A-H | ML 78 |
| Standon I-Y | ML 79 |
| Stanstead Abbotts | ML 90 |
| Stevenage | ML 8 |
| Thorley | ML 75 |
| Thundridge | ML 83 |
| Totteridge | ML 103 |
| Tring | ML 87 |
| Ware A-C | ML 25 |
| Ware D-I | ML 26 |
| Ware J-R | ML 27 |
| Ware S-Z | ML 28 |
| Watford A-E & "Extra" | ML 13 |
| Watford F-O & "Extra" | ML 15 |
| Watford P-Z & "Extra" | ML 17 |
| Welwyn | ML 64 |
| Westmill & Wakeley Hamlet | ML 38 |
| Weston | ML 50 |
| Wheathampstead | ML 68 |
| Wyddial, Anstey, Meesden & Throcking | ML 19 |