Suffolk postcode districts

CB7 CB8 CB9 CO10 CO11 CO6 CO7 CO8 IP1 IP10 IP11 IP12 IP13 IP14 IP15 IP16 IP17 IP18 IP19 IP2 IP20 IP21 IP22 IP23 IP24 IP27 IP28 IP29 IP3 IP30 IP31 IP32 IP33 IP4 IP5 IP6 IP7 IP8 IP9 NR31 NR32 NR33 NR34 NR35