'NN14 1JZ': [742012]
'NN15 6TD': [741992]
'NN14 1JS': [742051, 742052]
'LE16 8HG': [741987, 741988, 741989]
'LE16 8PP': [742044, 742045, 742046]
'NN14 1PY': [742000, 742001, 742002, 742003]
'LE16 8HF': [741983, 741984, 741985, 741986, 741990, 741991]
'LE16 8HT': [742057, 742058, 742059, 742060, 742061, 742062]
'LE16 8LD': [741993, 741994, 741995, 741996, 741997, 741998, 741999]
'NN14 1JP': [742047, 742048, 742049, 742050, 742053, 742054, 742055, 742056]
'NN14 1LA': [742013, 742014, 742015, 742016, 742017, 742018, 742019, 742020]
'NN14 1PT': [742004, 742005, 742006, 742007, 742008, 742009, 742010, 742011]
'NN14 1EL': [742021, 742022, 742023, 742024, 742025, 742026, 742027, 742028, 742029, 742030, 742031, 742032, 742033, 742034, 742035, 742036, 742037, 742038, 742039, 742040, 742041, 742042, 742043]

Total postcodes: 13, total properties: 80