Postal sector TS23 4
- Hereford Terrace, Billingham, TS23 4AA
- Cowpen Lane, Billingham, TS23 4AB
- Cowpen Lane, Billingham, TS23 4AD
- Bedford Terrace, Billingham, TS23 4AE
- Bedford Terrace, Billingham, TS23 4AF
- Surrey Terrace, Billingham, TS23 4AG
- Warwick Crescent, Billingham, TS23 4AH
- Warwick Crescent, Billingham, TS23 4AJ
- Warwick Crescent, Billingham, TS23 4AL
- Essex Crescent, Billingham, TS23 4AN
- Cowpen Lane, Billingham, TS23 4AP
- Surrey Terrace, Billingham, TS23 4AQ
- Cowpen Lane, Billingham, TS23 4AR
- Cowpen Lane, Billingham, TS23 4AS
- Cowpen Lane, Billingham, TS23 4AT
- Dorset Crescent, Billingham, TS23 4AU
- Essex Crescent, Billingham, TS23 4AW
- Dorset Crescent, Billingham, TS23 4AX
- Greenwood Road, Billingham, TS23 4AY
- Greenwood Road, Billingham, TS23 4AZ
- Greenwood Road, Billingham, TS23 4BA
- Gloucester Terrace, Billingham, TS23 4BB
- Gloucester Terrace, Billingham, TS23 4BD
- Gloucester Terrace, Billingham, TS23 4BE
- Lagonda Road, Billingham, TS23 4BF
- Cornwall Crescent, Billingham, TS23 4BG
- Lincoln Crescent, Billingham, TS23 4BH
- Lincoln Crescent, Billingham, TS23 4BJ
- Lincoln Crescent, Billingham, TS23 4BL
- Lincoln Crescent, Billingham, TS23 4BN
- Devon Crescent, Billingham, TS23 4BP
- Cornwall Crescent, Billingham, TS23 4BQ
- Devon Crescent, Billingham, TS23 4BS
- Cowpen Lane, Billingham, TS23 4BT
- Bentley Avenue, Billingham, TS23 4BU
- Cowpen Lane, Billingham, TS23 4BW
- Royce Avenue, Billingham, TS23 4BX
- Macklin Avenue, Billingham, TS23 4BY
- Nuffield Road, Billingham, TS23 4DA
- Cowpen Lane, Billingham, TS23 4DD
- Royce Court, Billingham, TS23 4DE
- Charlton Close, Billingham, TS23 4DG
- Macklin Avenue, Cowpen Lane Industrial Estate, Billingham, TS23 4DU
- Coxwold Way, Billingham, TS23 4EA
- Bylands Way, Billingham, TS23 4EB
- The Moat, Billingham, TS23 4ED
- Newburgh Court, Belasis Hall Technology Park, Billingham, TS23 4EE
- Earls Nook, Billingham, TS23 4EF
- Colmans Nook, Billingham, TS23 4EG
- Macklin Avenue, Cowpen Lane Industrial Estate, Billingham, TS23 4ET
- Cowpen Bewley Road, Billingham, TS23 4EX
- Windsor Street, Billingham, TS23 4EY
- Hope Street, Billingham, TS23 4HE
- Beaumont Park, Billingham, TS23 4HF
- Manor Way, Billingham, TS23 4HN
- Cowpen Bewley Road, Billingham, TS23 4HR
- Billingham, TS23 4HS
- Cowpen Lane, Billingham, TS23 4HU
- Wolviston Back Lane, Billingham, TS23 4HW
- Lagonda Road, Billingham, TS23 4JA
- Alvis Close, Billingham, TS23 4JB
- Daimler Drive, Billingham, TS23 4JD
- Cowpen Lane, Billingham, TS23 4JE
- Lagonda Court, Billingham, TS23 4JF
- Alvis Court, Billingham, TS23 4JG