Postal sector LL54 6
- Kings Road, Penygroes, Caernarfon, LL54 6AA
- Bryncelyn, Caernarfon, LL54 6AB
- Ffordd Penllwyn, Caernarfon, LL54 6AD
- Nantlle Road, Caernarfon, LL54 6AE
- Nantlle Road, Caernarfon, LL54 6AF
- Bryn Hyfryd Terrace, Caernarfon, LL54 6AH
- Maes Y Llenor, Caernarfon, LL54 6AJ
- Eifion Terrace, Caernarfon, LL54 6AL
- Pen Hafodlas Bach, Caernarfon, LL54 6AN
- Caernarfon, LL54 6AP
- Caernarfon, LL54 6AR
- Bryn Derwen Terrace, Caernarfon, LL54 6AS
- Talyllyn, Caernarfon, LL54 6AT
- Bro Silyn, Caernarfon, LL54 6AU
- Cavour Street, Caernarfon, LL54 6AW
- Ystad Coed Madog, Caernarfon, LL54 6AX
- Caernarfon, LL54 6AY
- Caernarfon, LL54 6BA
- Caernarfon, LL54 6BB
- Caernarfon, LL54 6BD
- Tai Nantlle, Caernarfon, LL54 6BE
- Caernarfon, LL54 6BG
- Pen Yr Orsedd Terrace, Caernarfon, LL54 6BH
- Bala Deulyn Terrace, Caernarfon, LL54 6BL
- Kinmel Terrace, Caernarfon, LL54 6BN
- Victoria Terrace, Caernarfon, LL54 6BP
- Caernarfon, LL54 6BS
- Caernarfon, LL54 6BT
- Caernarfon, LL54 6BU
- Caernarfon, LL54 6BW
- Gloddfa Glai, Caernarfon, LL54 6BY
- Caernarfon, LL54 6DB
- Caernarfon, LL54 6DD
- Maes Castell, Caernarfon, LL54 6DE
- Caernarfon, LL54 6DF
- Caernarfon, LL54 6DG
- Caernarfon, LL54 6DH
- Ger Y Llan, Caernarfon, LL54 6DJ
- Caernarfon, LL54 6DL
- Caernarfon, LL54 6DN
- Caernarfon, LL54 6DP
- Caernarfon, LL54 6DR
- Caernarfon, LL54 6DS
- Caernarfon, LL54 6DT
- Caernarfon, LL54 6DU
- Caernarfon, LL54 6DW
- Caernarfon, LL54 6DY
- Caernarfon, LL54 6EA
- Caernarfon, LL54 6EB
- Caernarfon, LL54 6ED
- Caernarfon, LL54 6EE
- Caernarfon, LL54 6EF
- Caernarfon, LL54 6EG
- Caernarfon, LL54 6EH
- Caernarfon, LL54 6EL
- Caernarfon, LL54 6EN
- County Road, Caernarfon, LL54 6ES
- Llwyn Fuches, Caernarfon, LL54 6ET
- Caernarfon, LL54 6EW
- County Road, Caernarfon, LL54 6EY
- Llwyn Onn Terrace, Caernarfon, LL54 6HB
- Victoria Road, Caernarfon, LL54 6HD
- County Road, Caernarfon, LL54 6HE
- Hyfrydle Road, Caernarfon, LL54 6HF
- Hyfrydle Road, Caernarfon, LL54 6HG
- Hyfrydle Terrace, Caernarfon, LL54 6HH
- County Road, Penygroes, Caernarfon, LL54 6HJ
- Station Road, Caernarfon, LL54 6HL
- Bryn Ffynnon, Caernarfon, LL54 6HN
- Church Road, Caernarfon, LL54 6HP
- Coed Madog Road, Caernarfon, LL54 6HR
- Maes Llyfnwy, Caernarfon, LL54 6HS
- Caernarfon, LL54 6HT
- Rhiwlas Road, Caernarfon, LL54 6HU
- Caernarfon, LL54 6HW
- Caernarfon, LL54 6HY
- Rhiwlas Road, Caernarfon, LL54 6LA
- Pendyffryn, Caernarfon, LL54 6LB
- Caernarfon, LL54 6LD
- Caernarfon, LL54 6LE
- Caernarfon, LL54 6LF
- Blue Bell, Caernarfon, LL54 6LG
- Water Street, Caernarfon, LL54 6LP
- Lon Pitar, Penygroes, Caernarfon, LL54 6LQ
- Water Street, Caernarfon, LL54 6LR
- Water Street, Caernarfon, LL54 6LW
- Llanllyfni Road, Caernarfon, LL54 6LY
- Trem Y Wyddfa, Caernarfon, LL54 6ND
- Trem Y Wyddfa, Caernarfon, LL54 6NE
- Snowdon Street, Caernarfon, LL54 6NG
- Lon Yr Eglwys, Caernarfon, LL54 6NH
- Market Place, Caernarfon, LL54 6NN
- Clynnog Road, Caernarfon, LL54 6NP
- West End Road, Caernarfon, LL54 6NR
- Clynnog Road, Caernarfon, LL54 6NS
- Clynnog Road, Caernarfon, LL54 6NT
- Baptist Street, Caernarfon, LL54 6NU
- Station Road, Caernarfon, LL54 6NW
- Lon Groes, Caernarfon, LL54 6NX
- Ffordd Haearn Bach, Caernarfon, LL54 6NY
- Tan Y Bont, Caernarfon, LL54 6NZ
- Chapel Street, Caernarfon, LL54 6PA
- Clynnog Road, Caernarfon, LL54 6PB
- Caernarfon, LL54 6PD
- Clynnog Road, Caernarfon, LL54 6PE
- Bryn Llwyn, Caernarfon, LL54 6PF
- Stad Tan Y Coed, Caernarfon, LL54 6PG
- Allt Doli, Caernarfon, LL54 6PH
- Cae Capel Bach, Caernarfon, LL54 6PJ
- High Street, Caernarfon, LL54 6PL
- Caernarfon Road, Caernarfon, LL54 6PN
- Caernarfon Road, Caernarfon, LL54 6PP
- Bro Llwyndu, Caernarfon, LL54 6PR
- Caernarfon, LL54 6PS
- Clogwyn Melyn, Caernarfon, LL54 6PT
- Carmel Road, Caernarfon, LL54 6PU
- Tre Ddafydd, Caernarfon, LL54 6PW
- Mor Awel Estate, Caernarfon, LL54 6RA
- Llwyndu Road, Caernarfon, LL54 6RE
- Carmel Road, Caernarfon, LL54 6RF
- Hen Lon, Caernarfon, LL54 6RG
- Rhwng Llwyni Terrace, Caernarfon, LL54 6RH
- Kings Road, Caernarfon, LL54 6RL
- Ty'n Y Weirglodd, Caernarfon, LL54 6RN
- Caernarfon, LL54 6RP
- Caernarfon, LL54 6RR
- Caernarfon, LL54 6RS
- Caernarfon, LL54 6RT
- Caernarfon, LL54 6RU
- Maes Dulyn, Caernarfon, LL54 6RW
- Caernarfon, LL54 6RY
- Caernarfon, LL54 6SA
- Caernarfon, LL54 6SB
- Llwyndu Road, Caernarfon, LL54 6SD
- Rhedyw Road, Caernarfon, LL54 6SG
- Caernarfon, LL54 6SH
- Caernarfon, LL54 6SL
- Rhedyw Road, Caernarfon, LL54 6SN
- Bryn Sisillt, Caernarfon, LL54 6SP
- Bryn Rhedyw, Caernarfon, LL54 6SS
- Caernarfon, LL54 6ST
- Caernarfon, LL54 6SU
- Rhedyw Road, Caernarfon, LL54 6SW
- Caernarfon, LL54 6SY
- Caernarfon, LL54 6TA
- Caernarfon, LL54 6TF
- Tan Y Graig, Caernarfon, LL54 6TG
- Morgan Terrace, Caernarfon, LL54 6TH
- Caernarfon, LL54 6TL
- Caernarfon, LL54 6TN
- Caernarfon, LL54 6TP
- Cae Catrin, Caernarfon, LL54 6TU
- Caernarfon, LL54 6TW