Postal sector DL12 0
- The Green, Barnard Castle, DL12 0AA
- Barnard Castle, DL12 0AB
- Belle Vue, Barnard Castle, DL12 0AD
- Barnard Castle, DL12 0AE
- Barnard Castle, DL12 0AF
- Barnard Castle, DL12 0AG
- Church Bank, Barnard Castle, DL12 0AH
- Meadow View, Barnard Castle, DL12 0AJ
- Barnard Castle, DL12 0AL
- Balmer Lane, Barnard Castle, DL12 0AN
- Barnard Castle, DL12 0AP
- Middleton Road, Barnard Castle, DL12 0AQ
- Prospect Terrace, Barnard Castle, DL12 0AR
- Gordon Bank, Barnard Castle, DL12 0AS
- Barnard Castle, DL12 0AT
- Hill Top, Barnard Castle, DL12 0AU
- South Terrace, Barnard Castle, DL12 0AW
- Newtown, Barnard Castle, DL12 0AX
- Blackton, Barnard Castle, DL12 0AY
- Egglesburn, Barnard Castle, DL12 0AZ
- Foggerthwaite, Barnard Castle, DL12 0BA
- Foggerthwaite, Barnard Castle, DL12 0BB
- Egglesburn, Barnard Castle, DL12 0BD
- Beckside, Barnard Castle, DL12 0BE
- Barnard Castle, DL12 0BF
- Middleton Road, Barnard Castle, DL12 0BG
- Greenbank, Barnard Castle, DL12 0BQ
- Town Head, Barnard Castle, DL12 0DA
- Town Head, Barnard Castle, DL12 0DB
- Town Head, Barnard Castle, DL12 0DE
- Town Head, Barnard Castle, DL12 0DF
- Barnard Castle, DL12 0DG
- Folly Top, Barnard Castle, DL12 0DH
- Folly Top, Barnard Castle, DL12 0DJ
- Barnard Castle, DL12 0DL
- Barnard Castle, DL12 0DN
- Barnard Castle, DL12 0DP
- Barnard Castle, DL12 0DQ
- Barnard Castle, DL12 0DR
- Barnard Castle, DL12 0DS
- Barnard Castle, DL12 0DW
- Barnard Castle, DL12 0EA
- Barnard Castle, DL12 0EB
- Barnard Castle, DL12 0ED
- Barnard Castle, DL12 0EE
- Barnard Castle, DL12 0EF
- Barnard Castle, DL12 0EG
- Barnard Castle, DL12 0EH
- Barnard Castle, DL12 0EJ
- Barnard Castle, DL12 0EL
- Barnard Castle, DL12 0EP
- Barnard Castle, DL12 0EQ
- Barnard Castle, DL12 0EW
- Barnard Castle, DL12 0HA
- Barnard Castle, DL12 0HB
- Barnard Castle, DL12 0HD
- Barnard Castle, DL12 0HE
- Barnard Castle, DL12 0HF
- Barnard Castle, DL12 0HH
- Barnard Castle, DL12 0HJ
- Barnard Castle, DL12 0HL
- Barnard Castle, DL12 0HT
- Barnard Castle, DL12 0HX
- Barnard Castle, DL12 0JA
- Barnard Castle, DL12 0JD
- Hawthorn Terrace, Barnard Castle, DL12 0JE
- Barnard Castle, DL12 0JF
- Dale View, Barnard Castle, DL12 0JG
- Barnard Castle, DL12 0JH
- Station Road, Barnard Castle, DL12 0JJ
- East View, Barnard Castle, DL12 0JL
- Station Terrace, Barnard Castle, DL12 0JN
- Barnard Castle, DL12 0JP
- Barnard Castle, DL12 0JQ
- Barnard Castle, DL12 0JR
- Barnard Castle, DL12 0JS
- Bendele Terrace, Barnard Castle, DL12 0JU
- Barnard Castle, DL12 0JW
- Barnard Castle, DL12 0JX
- Barnard Castle, DL12 0JY
- Barnard Castle, DL12 0JZ
- Quebec Terrace, Barnard Castle, DL12 0LA
- Syke Terrace, Barnard Castle, DL12 0LB
- Barnard Castle, DL12 0LE
- Barnard Castle, DL12 0LF
- Barnard Castle, DL12 0LG
- Barnard Castle, DL12 0LH
- Crag View, Barnard Castle, DL12 0LJ
- Barnard Castle, DL12 0LL
- Barnard Castle, DL12 0LN
- Barnard Castle, DL12 0LP
- Barnard Castle, DL12 0LQ
- Barnard Castle, DL12 0LR
- Barnard Castle, DL12 0LS
- Barnard Castle, DL12 0LT
- Barnard Castle, DL12 0LU
- Barnard Castle, DL12 0LW
- Bail Hill Road, Mickleton, Barnard Castle, DL12 0LZ
- Station Cottages, Barnard Castle, DL12 0NF
- Station Bank, Barnard Castle, DL12 0NG
- Holwick Road, Barnard Castle, DL12 0NH
- Holwick, Barnard Castle, DL12 0NJ
- Holwick, Barnard Castle, DL12 0NL
- Barnard Castle, DL12 0NN
- Barnard Castle, DL12 0NP
- Holwick Road, Barnard Castle, DL12 0NQ
- Holwick, Barnard Castle, DL12 0NR
- Laithkirk, Barnard Castle, DL12 0NS
- Bowbank, Barnard Castle, DL12 0NT
- Thringarth, Barnard Castle, DL12 0NU
- Holwick, Barnard Castle, DL12 0NW
- Lunedale, Barnard Castle, DL12 0NX
- Lunedale, Barnard Castle, DL12 0PA
- Lunedale, Barnard Castle, DL12 0PB
- Barnard Castle, DL12 0PJ
- Lonton, Barnard Castle, DL12 0PL
- Cote House Road, Barnard Castle, DL12 0PN
- Kelton, Barnard Castle, DL12 0PP
- Lunedale, Barnard Castle, DL12 0PR
- Lunedale, Barnard Castle, DL12 0PS
- West Pasture, Barnard Castle, DL12 0PW
- Market Place, Barnard Castle, DL12 0QA
- Bridge Street, Barnard Castle, DL12 0QB
- Victoria Terrace, Barnard Castle, DL12 0QD
- Hill Terrace, Middleton-in-teesdale, Barnard Castle, DL12 0QE
- Market Place, Middleton-in-teesdale, Barnard Castle, DL12 0QF
- Market Place, Barnard Castle, DL12 0QG
- Market Place, Barnard Castle, DL12 0QH
- Market Place, Barnard Castle, DL12 0QJ
- Rose Terrace, Barnard Castle, DL12 0QL
- Barnard Castle, DL12 0QN
- Hudegate, Barnard Castle, DL12 0QP
- Hudegate, Barnard Castle, DL12 0QR
- Alston Road, Barnard Castle, DL12 0QS
- Lanehead, Barnard Castle, DL12 0QT
- Middleside, Barnard Castle, DL12 0QU
- Hude, Barnard Castle, DL12 0QW
- Barnard Castle, DL12 0QX
- Aukside, Barnard Castle, DL12 0QY
- Burn Bank Court, Barnard Castle, DL12 0RA
- Greta Place, Barnard Castle, DL12 0RD
- Market Place, Barnard Castle, DL12 0RH
- Market Place, Barnard Castle, DL12 0RJ
- Market Place, Barnard Castle, DL12 0RL
- Town Head, Barnard Castle, DL12 0RN
- Snaisgill Road, Barnard Castle, DL12 0RP
- Goodburn Place, Barnard Castle, DL12 0RQ
- Stanhope Road, Barnard Castle, DL12 0RR
- Rock Terrace, Barnard Castle, DL12 0RS
- Stanhope Road, Barnard Castle, DL12 0RT
- Laneside, Barnard Castle, DL12 0RU
- Stanhope Road, Barnard Castle, DL12 0RW
- Laneside, Barnard Castle, DL12 0RY
- Laneside, Barnard Castle, DL12 0RZ
- Stanhope Road, Barnard Castle, DL12 0SA
- Town Head, Barnard Castle, DL12 0SB
- Horsemarket, Barnard Castle, DL12 0SH
- Hill Terrace, Barnard Castle, DL12 0SL
- Chapel Row, Barnard Castle, DL12 0SN
- Shaw Crescent, Barnard Castle, DL12 0SP
- Nelson Row, Barnard Castle, DL12 0SR
- Town End, Barnard Castle, DL12 0SS
- Masterman Place, Barnard Castle, DL12 0ST
- Garden Terrace, Barnard Castle, DL12 0SU
- Wesley Terrace, Barnard Castle, DL12 0SW
- Gibson Row, Barnard Castle, DL12 0SX
- Parkin Row, Barnard Castle, DL12 0SY
- Barnard Castle, DL12 0SZ
- California Row, Barnard Castle, DL12 0TA
- Jubilee Place, Barnard Castle, DL12 0TB
- Jubilee Place, Barnard Castle, DL12 0TD
- Leekworth Gardens, Barnard Castle, DL12 0TE
- Meadow View, Barnard Castle, DL12 0TF
- Barnard Castle, DL12 0TG
- Newtown, Barnard Castle, DL12 0TH
- River Terrace, Barnard Castle, DL12 0TJ
- Barnard Castle, DL12 0TL
- Gas Lane, Barnard Castle, DL12 0TN
- Dale View, Barnard Castle, DL12 0TQ
- Meadow Close, Barnard Castle, DL12 0TW
- Barnard Castle, DL12 0TX
- Barnard Castle, DL12 0TY
- Hill Top, Barnard Castle, DL12 0TZ
- Shiney Row, Barnard Castle, DL12 0UA
- Barnard Castle, DL12 0UB
- Barnard Castle, DL12 0UD
- Hoodgill, Barnard Castle, DL12 0UE
- Barnard Castle, DL12 0UF
- Barnard Castle, DL12 0UG
- Barnard Castle, DL12 0UH
- Low Houses, Barnard Castle, DL12 0UJ
- Barnard Castle, DL12 0UQ
- Alston Road, Barnard Castle, DL12 0UU
- Alston Road, Barnard Castle, DL12 0UX
- Dent Bank, Barnard Castle, DL12 0UY
- Cassell Bank, Barnard Castle, DL12 0UZ
- Alston Road, Barnard Castle, DL12 0XA
- Barnard Castle, DL12 0XB
- Barnard Castle, DL12 0XD
- Barnard Castle, DL12 0XE
- Barnard Castle, DL12 0XF
- Barnard Castle, DL12 0XG
- Alston Road, Forest In Teesdale, Barnard Castle, DL12 0XH
- Barnard Castle, DL12 0XL
- Barnard Castle, DL12 0XP
- Barnard Castle, DL12 0XS
- Barnard Castle, DL12 0XU
- Barnard Castle, DL12 0XX
- Barnard Castle, DL12 0XY
- Barnard Castle, DL12 0XZ
- Barnard Castle, DL12 0YA
- Barnard Castle, DL12 0YB