Zone 1: Exeter, Torbay, South Hams, Plymouth, Exmouth/Sidmouth
Zone 2: Dawlish, Ashburton, wider rural Devon
Zone 3: Axminster, Dartmouth, Okehampton, Tavistock
Zone 4: Barnstaple, Bideford, North Devon toward Cornwall
Zone 5: Padstow, Polzeath, Port Isaac, Looe, Perranporth, St Mawes, Truro outskirts

Zone 1: Yeovil & Sherborne
Zone 2: North/West Yeovil villages
Zone 3: Castle Cary, Wincanton, Ilchester
Zone 4: Glastonbury, Street, Gillingham, Central Dorset
Zone 5: Bridport, Shaftesbury, Taunton town

Zone 1: Wellington, Taunton outskirts, Tiverton & nearby villages
Zone 2: Blackdown Hills, rural Taunton, towards Bridgwater
Zone 3: Wiveliscombe, Dulverton, West Somerset / Quantocks
Zone 4: Minehead & Exmoor coast