Western Power Distribution on three-phase poles with aerial connections to dwellings. Of the 34 dwellings listed in the 1957 sale document, only two were not connected to the electricity supply at that time. South Willingham is connected to the Burgh on Bain telephone exchange—part of the Louth/Alford/Spilsby 01507 dialling code—on the A157 and High Street junction. There was a telegraph office at the railway station until it closed in 1951. A telephone kiosk is at the centre of the village close to the north wall of Woodbine Cottage on Station Road; the telephone inside was removed in 2018; the empty kiosk is still awaiting its new use. Next to the kiosk is a pole-mounted post box which was installed in 2005; the previous box was built into the front wall of the village shop and post office. Mobile phone signal coverage varies with provider. O2 provide a high strength 4G and 3G signal over 95% of the parish, with masts at West Barkwith and Belmont. Three 4G is low strength, whilst their 3G is high over most of the parish except the village. Three's mast is at West Barkwith. Likewise EE 3G is high strength over most of the parish except the village, and 4G is high strength to the east of the parish and low to the west, including the village. Their masts are at West Barkwith and Belmont. Vodafone 3G and 4G is high strength over most of the parish except the village. The Vodafone mast is at Belmont. 5G is not available in the parish from any provider. Fibre Optic cable was installed to a cabinet in the village in June 2018. Before that, broadband download speeds in the village were recorded between 1.8Mbit/s and 8.1Mbit/s. Broadband capability was added to Burgh on Bain telephone exchange on 18 May 2005. There is no cable TV available in the parish, but like the rest of country, subscription TV is available by satellite or multiple providers on the internet. FreeView digital TV, as part of the ITV Yorkshire franchise region, is transmitted from the Belmont TV mast. Landmarks The parish has six Grade II and one Grade II* listed buildings. These include the church, two thatched cottages in the village centre, two other cottages and two farm houses. South Willingham's Anglican parish church is dedicated to St Martin, and is Grade II* listed. The church, built of greenstone, was