| Postcode | Coverage Area |
| DN36 | Holton Le Clay,Humberston,Ludborough,Marshchapel,New Waltham,North Cotes,North Thoresby,Tetney |
| LN4 | Branston,Canwick,Coningsby,Dunston,Heighington,Nocton,Washingborough,Timberland,Martin,Ashby De La Launde,Scopwick,Holland Fen |
| LN8 | Market Rasen |
| LN9 | Horncastle,Tetford,Salmonby,Minting,Belchford,West Ashby,Hemingby,Baumber,Low Toynton,High Toynton,Fulletby,Greetham,Ashby Puerorum,Edlington,Wispington,Mareham On The Hill,Haltham,Winceby,Hameringham |
| LN10 | Woodhall Spa,Kirkstead,Roughton,Bucknall,Horsington,Kirkby On Bain,Stixwould |
| LN11 | Louth |
| LN12 | Mablethorpe,Sutton-on-sea,Theddlethorpe |
| LN13 | Alford |
| PE23 | Spilsby,Asgarby,Aswardby,Bag Enderby,Dalby,East Kirkby,Firsby,Halton Holegate,Harrington,Keal Cotes,Langton,Mavis Enderby,Monksthorpe,Partney,Sausthorpe,Somersby |
| PE24 | Addlethorpe,Anderby,Anderby Creek,Ashington End,Bratoft,Burgh Le Marsh,Chapel St Leonards,Croft,Hogsthorpe,Orby,Wainfleet |
| PE25 | Skegness,Croft,Ingoldmells,Roman Bank |