Postal sector LL55 2
- Pool Street, Caernarfon, LL55 2AB
- Pool Street, Caernarfon, LL55 2AD
- Pool Street, Caernarfon, LL55 2AE
- Pool Street, Caernarfon, LL55 2AF
- Cwm Silyn, Caernarfon, LL55 2AG
- Caernarfon, LL55 2AJ
- Pool Lane, Caernarfon, LL55 2AL
- Holywell Terrace, Caernarfon, LL55 2AP
- Caernarfon, LL55 2AQ
- Hafod Terrace, Caernarfon, LL55 2AR
- Pool Street, Caernarfon, LL55 2AS
- Ffordd Cae Phillips, Caernarfon, LL55 2AT
- Castle Ditch, Caernarfon, LL55 2AU
- Clarke Terrace, Caernarfon, LL55 2AW
- Tros Y Gors, Caernarfon, LL55 2AX
- Castle Ditch, Caernarfon, LL55 2AY
- Caernarfon, LL55 2AZ
- Caernarfon, LL55 2BB
- Cibyn Industrial Estate, Caernarfon, LL55 2BD
- Llain Y Felin, Caernarfon, LL55 2BG
- Caernarfon, LL55 2BH
- Rhoslan, Caernarfon, LL55 2BJ
- Llanberis Road, Caernarfon, LL55 2BL
- Caernarfon, LL55 2BN
- Caernarfon, LL55 2BP
- Didfa, Caernarfon, LL55 2BQ
- Llanberis Road, Caernarfon, LL55 2BS
- Bryn Rhos, Caernarfon, LL55 2BT
- Cibyn Industrial Estate, Caernarfon, LL55 2BU
- Cae Garw Road, Caernarfon, LL55 2BW
- Caeau Bach, Caernarfon, LL55 2BZ
- Barracks, Caernarfon, LL55 2DD
- Llanberis Road, Caernarfon, LL55 2DE
- Llanberis Road, Caernarfon, LL55 2DF
- Lon Nant, Caernarfon, LL55 2DG
- Cil Uchaf, Caernarfon, LL55 2DH
- Pen Morfa, Caernarfon, LL55 2DJ
- Ffordd Maes Barcer, Caernarfon, LL55 2DL
- Cil Isaf, Caernarfon, LL55 2DN
- Cil Coed, Caernarfon, LL55 2DP
- Lon Cilgwyn, Caernarfon, LL55 2DQ
- Ffordd Maes Barcer, Caernarfon, LL55 2DR
- Lon Bach, Caernarfon, LL55 2DS
- Cae'r Garreg, Caernarfon, LL55 2DT
- Glan Peris, Caernarfon, LL55 2DU
- Ffordd Maes Barcer, Caernarfon, LL55 2DW
- Glan Seiont, Caernarfon, LL55 2DX
- Ffordd Pandy, Caernarfon, LL55 2DY
- Ffordd Wern, Caernarfon, LL55 2EA
- Ffordd Cibyn, Caernarfon, LL55 2EB
- Caernarfon, LL55 2ED
- Ffordd Wern, Caernarfon, LL55 2EE
- Ffordd Coed Marion, Caernarfon, LL55 2EF
- Lon Eilian, Caernarfon, LL55 2EG
- Lon Ty Gwyn, Caernarfon, LL55 2EH
- Ty Gwyn, Caernarfon, LL55 2EL
- Lon Cefn Du, Caernarfon, LL55 2EN
- Lon Y Bryn, Caernarfon, LL55 2EP
- Pen Cae, Caernarfon, LL55 2EQ
- Lon Arfon, Caernarfon, LL55 2ER
- Llanbeblig Road, Caernarfon, LL55 2ES
- Llanbeblig Road, Caernarfon, LL55 2ET
- Hyfrydle, Caernarfon, LL55 2EU
- Lon Helen, Caernarfon, LL55 2EW
- Caernarfon, LL55 2EZ
- Bro Seiont, Caernarfon, LL55 2HB
- Newborough Street, Caernarfon, LL55 2HE
- Wellington Terrace, Caernarfon, LL55 2HH
- Constantine Terrace, Caernarfon, LL55 2HL
- South Road, Caernarfon, LL55 2HP
- Bro Helen, Caernarfon, LL55 2HR
- South Road, Caernarfon, LL55 2HS
- Marcus Street, Caernarfon, LL55 2HT
- St. Helens Street, Caernarfon, LL55 2HU
- St. Helens Terrace, Caernarfon, LL55 2HW
- Hendre Street, Caernarfon, LL55 2HY
- Beulah Square, Caernarfon, LL55 2LA
- Henwalia, Caernarfon, LL55 2LB
- Assheton Terrace, Caernarfon, LL55 2LD
- Henwalia, Caernarfon, LL55 2LE
- Constantine Road, Caernarfon, LL55 2LF
- Gelert Street, Caernarfon, LL55 2LH
- Llys Yr Eifl, Caernarfon, LL55 2LJ
- Segontium Road South, Caernarfon, LL55 2LL
- Llanbeblig Road, Caernarfon, LL55 2LN
- Cefn Hendre, Caernarfon, LL55 2LP
- Cae Corn Hir, Caernarfon, LL55 2LQ
- Cae'r Ymryson, Caernarfon, LL55 2LR
- Llys Tryfan, Caernarfon, LL55 2LS
- Llys Siabod, Caernarfon, LL55 2LT
- Llys Y Foel, Caernarfon, LL55 2LU
- Llanbeblig Road, Caernarfon, LL55 2LW
- Tyddyn Llwydyn, Caernarfon, LL55 2LX
- Cae'r Ysgol, Caernarfon, LL55 2LY
- Moel Eilio, Caernarfon, LL55 2LZ
- Castle Square, Caernarfon, LL55 2NA
- Castle Square, Caernarfon, LL55 2NB
- Castle Square, Caernarfon, LL55 2NE
- Castle Square, Caernarfon, LL55 2NF
- Castle Square, Caernarfon, LL55 2NN
- Castle Square, Caernarfon, LL55 2NP
- Slate Quay, Caernarfon, LL55 2PB
- St. Helens Road, Caernarfon, LL55 2PF
- Segontium Terrace, Caernarfon, LL55 2PH
- Stad Glandwr, Caernarfon, LL55 2PL
- Segontium Terrace, Caernarfon, LL55 2PN
- Wesley Street, Caernarfon, LL55 2PQ
- Chapel Street, Caernarfon, LL55 2PR
- Chapel Street, Caernarfon, LL55 2PS
- Chapel Street, Caernarfon, LL55 2PT
- New Street, Caernarfon, LL55 2PU
- Garnon Street, Caernarfon, LL55 2RB
- Snowdon Street, Caernarfon, LL55 2RD
- Uxbridge Square, Caernarfon, LL55 2RE
- Tithebarn Street, Caernarfon, LL55 2RF
- Dinorwic Street, Caernarfon, LL55 2RG
- Victoria Road, Caernarfon, LL55 2RH
- Cefn Talar, Caernarfon, LL55 2RJ
- Vaynol Street, Caernarfon, LL55 2RL
- Victoria Road, Caernarfon, LL55 2RN
- Pendalar, Caernarfon, LL55 2RP
- Pendalar, Caernarfon, LL55 2RQ
- Cae'r Saint, Caernarfon, LL55 2RR
- Cil Peblig, Caernarfon, LL55 2RS
- Cae'r Saint, Caernarfon, LL55 2RT
- Ffordd Ysgubor Goch, Caernarfon, LL55 2RU
- Pendalar, Caernarfon, LL55 2RW
- Bryn Eilian, Caernarfon, LL55 2RX
- Mark Lane, Caernarfon, LL55 2RY
- Llanbeblig Road, Caernarfon, LL55 2SE
- Maes Meddyg, Caernarfon, LL55 2SF
- Caernarfon, LL55 2SG
- Caernarfon, LL55 2SH
- Gwel Y Llan, Caernarfon, LL55 2SJ
- Caernarfon, LL55 2SL
- Caernarfon, LL55 2SN
- Caernarfon, LL55 2SP
- Gwel Y Llan, Caernarfon, LL55 2SQ
- Caernarfon, LL55 2SR
- Caernarfon, LL55 2SS
- Caernarfon, LL55 2ST
- Glan Gwna Terrace, Caernarfon, LL55 2SU
- Caernarfon, LL55 2SW
- Gallt Y Sil, Caernarfon, LL55 2SX
- Caernarfon, LL55 2SY
- Gallt Y Sil, Caernarfon, LL55 2SZ
- Caernarfon, LL55 2TA
- Caernarfon, LL55 2TB
- Caernarfon, LL55 2TD
- Caernarfon, LL55 2TE
- Caernarfon, LL55 2TF
- Caernarfon, LL55 2TG
- Caernarfon, LL55 2TH
- Caernarfon, LL55 2TL
- Caernarfon, LL55 2TN
- Erw Wen, Caernarfon, LL55 2TW
- Caernarfon, LL55 2TY
- Caernarfon, LL55 2UA
- Glan Beuno Estate, Caernarfon, LL55 2UB
- Caernarfon, LL55 2UD
- Dol Beuno, Caernarfon, LL55 2UE
- Caernarfon, LL55 2UF
- Caernarfon, LL55 2UG
- Llwyn Beuno, Caernarfon, LL55 2UH
- Llwyn Beuno, Caernarfon, LL55 2UL
- Y Bryn, Caernarfon, LL55 2UN
- Lon Oleuwen, Caernarfon, LL55 2UP
- Ffordd Eryri, Caernarfon, LL55 2UR
- Ffordd Eryri, Caernarfon, LL55 2US
- Llys Y Garn, Caernarfon, LL55 2UT
- Bryn Hyfryd, Caernarfon, LL55 2UU
- Glanrafon Estate, Caernarfon, LL55 2UW
- Derwen Las, Caernarfon, LL55 2UY
- Caernarfon, LL55 2YA
- St. Helens Road, Caernarfon, LL55 2YD
- Caernarfon, LL55 2YE
- Caernarfon, LL55 2YF
- Seiont Mill Road, Caernarfon, LL55 2YL
- Pant Road, Caernarfon, LL55 2YN
- Muriau Park, Caernarfon, LL55 2YR
- Pwllheli Road, Caernarfon, LL55 2YS
- Pen Y Bryn, Caernarfon, LL55 2YT
- Pant Road, Caernarfon, LL55 2YU
- Pwllheli Road, Caernarfon, LL55 2YW