| <0 | 0 ● | Somers Town | Greater London - Camden | Adjacent → Distant |
| 0 ● | 0 ●●● | Camden Town | Greater London - Camden | Near → Distant |
| 0 ●●● | 1 ●●● | Primrose Hill | Greater London - Camden | Near → Remote |
| 1 ●●● | 2 ●●● | South Hampstead | Greater London - Camden | Adjacent → Remote |
| 2 ●●● | 3 ●●● | Kilburn | Greater London - Brent | Adjacent → Remote |
| 3 ●●● | 4 | Kensal Rise | Greater London - Brent | Near → Distant |
| 4 | 4 ●●● | Kensal Green | Greater London - Brent | Adjacent → Distant |
| 4 ●●● | 5 ● | College Park | Greater London - Hammersmith and Fulham | Adjacent → Distant |
| 5 ● | 5 ●●● | Harlesden | Greater London - Brent | Distant |
| 5 ●●● | 6 ●● | Lower Place | Greater London - Ealing | Distant |
| 6 ●● | 7 ● | Stonebridge | Greater London - Brent | Near → Distant |
| 7 ● | 7 ●● | Alperton | Greater London - Brent | Distant |
| 7 ●● | 8 ●● | Wembley | Greater London - Brent | Near → Remote |
| 8 ●● | 9 ●●● | North Wembley | Greater London - Brent | Adjacent → Remote |
| 9 ●●● | 10 ●● | Kenton | Greater London - Brent | Adjacent → Remote |
| 10 ●● | 11 | Greenhill | Greater London - Harrow | Near → Distant |
| 11 | 12 | Wealdstone | Greater London - Harrow | Near → Remote |
| 12 | 12 ●● | Headstone | Greater London - Harrow | Remote |
| 12 ●● | 13 ●● | Hatch End | Greater London - Harrow | Near → Remote |
| 13 ●● | 14 ●● | Carpenders Park | Hertfordshire - Three Rivers | Near → Remote |
| 14 ●● | 14 ●●● | South Oxhey | Hertfordshire - Three Rivers | Remote |
| 14 ●●● | 15 ●● | Watford Heath | Hertfordshire - Watford | Near → Remote |
| 15 ●● | 16 ● | Oxhey | Hertfordshire - Watford | Near → Remote |
| 16 ● | 17 ● | Watford | Hertfordshire - Watford | Distant → Remote |
| 17 ● | 18 ●●● | North Watford | Hertfordshire - Watford | Distant → Remote |
| 18 ●●● | 19 ● | Leavesden Green | Hertfordshire - Watford | Remote |
| 19 ● | 20 ●●● | Hunton Bridge | Hertfordshire - Three Rivers | Near → Remote |
| 20 ●●● | 22 | Kings Langley | Hertfordshire - Dacorum | Distant → Remote |
| 22 | 22 ●● | Nash Mills | Hertfordshire - Dacorum | Near → Remote |
| 22 ●● | 22 ●●● | Rucklers Lane | Hertfordshire - Dacorum | Near → Distant |
| 22 ●●● | 23 ● | Apsley | Hertfordshire - Dacorum | Adjacent → Distant |
| 23 ● | 23 ● | Frogmore End | Hertfordshire - Dacorum | Near |
| 23 ● | 24 | Two Waters | Hertfordshire - Dacorum | Near → Distant |
| 24 | 24 ●● | Boxmoor | Hertfordshire - Dacorum | Distant |
| 24 ●● | 24 ●● | Green End | Hertfordshire - Dacorum | Distant |
| 24 ●● | 25 | Chaulden | Hertfordshire - Dacorum | Distant |
| 25 | 26 | Winkwell | Hertfordshire - Dacorum | Adjacent → Remote |
| 26 | 27 | Bourne End | Hertfordshire - Dacorum | Remote |
| 27 | 27 | Potten End | Hertfordshire - Dacorum | Remote |
| 27 | 28 ●●● | Berkhamsted | Hertfordshire - Dacorum | Near → Remote |
| 28 ●●● | 29 ● | Northchurch | Hertfordshire - Dacorum | Distant |
| 29 ● | 29 ●●● | Dudswell | Hertfordshire - Dacorum | Near → Distant |
| 29 ●●● | 30 | Norcott Hill | Hertfordshire - Dacorum | Near |
| 30 | 31 ● | Cow Roast | Hertfordshire - Dacorum | Near → Remote |
| 31 ● | 32 | Aldbury | Hertfordshire - Dacorum | Remote |
| 32 | 33 ●● | Bulbourne | Hertfordshire - Dacorum | Distant → Remote |
| 33 ●● | 33 ●● | Church End | Buckinghamshire - Aylesbury Vale | Remote |
| 33 ●● | 34 ●● | Pitstone | Buckinghamshire - Aylesbury Vale | Distant → Remote |
| 34 ●● | 35 ●●● | Cheddington | Buckinghamshire - Aylesbury Vale | Near → Remote |
| 35 ●●● | 37 ● | Horton | Buckinghamshire - Aylesbury Vale | Near → Remote |
| 37 ● | 37 ●● | Mentmore | Buckinghamshire - Aylesbury Vale | Remote |
| 37 ●● | 37 ●● | Ledburn | Buckinghamshire - Aylesbury Vale | Remote |
| 37 ●● | 39 ● | Grove | Buckinghamshire - Aylesbury Vale | Distant → Remote |
| 39 ● | 40 ●●● | Linslade | Central Bedfordshire | Adjacent → Remote |
| 40 ●●● | 42 | Old Linslade | Central Bedfordshire | Adjacent → Remote |
| 42 | 42 ● | Bragenham | Buckinghamshire - Aylesbury Vale | Remote |
| 42 ● | 43 | Soulbury | Buckinghamshire - Aylesbury Vale | Remote |
| 43 | 44 ● | Stoke Hammond | Buckinghamshire - Aylesbury Vale | Near → Remote |
| 44 ● | 45 ●● | Newton Leyes | Milton Keynes | Near → Remote |
| 45 ●● | 45 ●●● | Water Eaton | Milton Keynes | Remote |
| 45 ●●● | 46 ●●● | Bletchley | Milton Keynes | Near → Remote |
| 46 ●●● | 47 ● | Denbigh West | Milton Keynes | Distant |
| 47 ● | 48 | Redmoor | Milton Keynes | Near → Distant |
| 48 | 48 ●●● | Elfield Park | Milton Keynes | Adjacent → Distant |
| 48 ●●● | 48 ●●● | Furzton Lake | Milton Keynes | Distant |
| 48 ●●● | 49 ● | Winterhill | Milton Keynes | Near → Distant |
| 49 ● | 49 ●● | Knowlhill | Milton Keynes | Distant |
| 49 ●● | 49 ●●● | Loughton | Milton Keynes | Distant |
| 49 ●●● | 50 ● | Rooksley | Milton Keynes | Near → Distant |
| 50 ● | 50 ●●● | Bradwell Abbey | Milton Keynes | Near → Distant |
| 50 ●●● | 51 | Wymbush | Milton Keynes | Distant |
| 51 | 51 ●●● | Bancroft Park | Milton Keynes | Near → Distant |
| 51 ●●● | 52 | Blue Bridge | Milton Keynes | Near → Distant |
| 52 | 52 ●●● | Stonebridge | Milton Keynes | Adjacent → Distant |
| 52 ●●● | 53 | Old Wolverton | Milton Keynes | Distant → Remote |
| 53 | 53 ●●● | Haversham | Milton Keynes | Remote |
| 53 ●●● | 55 ●●● | Castlethorpe | Milton Keynes | Adjacent → Remote |
| 55 ●●● | 56 ● | Church End | Milton Keynes | Remote |
| 56 ● | 57 ● | Long Street | Milton Keynes | Remote |
| 57 ● | 59 ● | Ashton | Northamptonshire - South Northamptonshire | Near → Remote |
| 59 ● | 60 ●● | Roade | Northamptonshire - South Northamptonshire | Near → Remote |
| 60 ●● | 61 ● | Courteenhall | Northamptonshire - South Northamptonshire | Remote |
| 61 ● | 62 ●●● | Blisworth | Northamptonshire - South Northamptonshire | Distant → Remote |
| 62 ●●● | 64 ●●● | Gayton | Northamptonshire - South Northamptonshire | Remote |
| 64 ●●● | 64 ●●● | Dalscote | Northamptonshire - South Northamptonshire | Remote |
| 64 ●●● | 66 ●●● | Bugbrooke | Northamptonshire - South Northamptonshire | Remote |
| 66 ●●● | 67 ●● | Nether Heyford | Northamptonshire - South Northamptonshire | Remote |
| 67 ●● | 68 | Church Stowe | Northamptonshire - Daventry | Distant → Remote |
| 68 | 68 ●●● | Stowehill | Northamptonshire - South Northamptonshire | Near → Distant |
| 68 ●●● | 69 ●●● | Weedon Bec | Northamptonshire - Daventry | Near → Remote |
| 69 ●●● | 70 ●● | Dodford | Northamptonshire - Daventry | Remote |
| 70 ●● | 71 | Brockhall | Northamptonshire - Daventry | Remote |
| 71 | 72 ●● | Muscott | Northamptonshire - Daventry | Near → Remote |
| 72 ●● | 74 ● | Long Buckby Wharf | Northamptonshire - Daventry | Near → Remote |
| 74 ● | 74 ●● | Murcott | Northamptonshire - Daventry | Remote |
| 74 ●● | 76 | Watford | Northamptonshire - Daventry | Remote |
| 76 | 76 ●●● | Ashby St Ledgers | Northamptonshire - Daventry | Remote |
| 76 ●●● | 78 ● | Emery Row | Northamptonshire - Daventry | Near → Remote |
| 78 ● | 79 ● | Kilsby | Northamptonshire - Daventry | Distant → Remote |
| 79 ● | 81 ● | Hillmorton | Warwickshire - Rugby | Near → Remote |
| 81 ● | 82 | Clifton upon Dunsmore | Warwickshire - Rugby | Remote |
| 82 | 83 ● | Rugby | Warwickshire - Rugby | Remote |
| 83 ● | 83 ● | New Bilton | Warwickshire - Rugby | Remote |