East London 

Mile End E1, Ratcliff E1, Shadwell E1, Spitalfields E1, Stepney E1, Wapping E1, Whitechapel E1, Lea Bridge E10, Leyton E10 E15, Cann Hall E11, Leytonstone E11, Snaresbrook E11, Wanstead E11, Little Ilford E12, Manor Park E12, Plaistow E13,  West Ham E13 E15, Blackwall E14, Canary Wharf E14, Cubitt Town E14, Isle of Dogs E14, Leamouth E14, Limehouse E14, Millwall E14, Poplar E14, Maryland E15, Stratford E15, Stratford City E15 E20, Canning Town E16, Custom House E16, North Woolwich E16, Silvertown E16, Upper Walthamstow E17, Walthamstow E17, Walthamstow Village E17, South Woodford E18, Bethnal Green E2, Cambridge Heath E2, Haggerston E2, Bow E3, Bromley (also Bromley-by-Bow) E3, Old Ford E3, Chingford E4, Highams Park E4, Lower Clapton E5, Upper Clapton E5, Hackney E5 E8 E9 N1 N16, East Ham E6, Upton Park E6 E13, Beckton E6 E16 IG11, Forest Gate E7, Dalston E8, Hackney Central E8, Shacklewell E8 N16, Hackney Marshes E9, Hackney Wick E9, Homerton E9, South Hackney E9, 

London City East

Clerkenwell EC1, Farringdon EC1, Finsbury EC1, St Luke's EC1, Barbican EC1 EC2, Angel EC1 N1, Aldgate EC3, Tower Hill EC3, Blackfriars EC4, Temple EC4 WC2,

Enfield 

Enfield Town EN1 EN2, Ponders End EN1 EN3, Botany Bay EN2, Crews Hill EN2, Bulls Cross EN2 EN3, Brimsdown EN3, Enfield Highway EN3, Enfield Lock EN3, Enfield Wash EN3, Freezywater EN3, Cockfosters EN4, East Barnet EN4, Hadley Wood EN4, New Barnet EN4 EN5, Barnet (also Chipping Barnet, High Barnet) EN5, Monken Hadley EN5,  Arkley EN5 NW7.

Harrow and Wembley 

Alperton HA0, Sudbury HA0 HA1, Wembley HA0 HA9, Harrow HA1, Harrow on the Hill HA1, North Harrow HA1 HA2, South Harrow HA2, West Harrow HA2, Harrow Weald HA3, Kenton HA3, Wealdstone HA3, Belmont HA3 HA7, Queensbury HA3 HA7 HA8 NW9, Ruislip HA4, South Ruislip HA4, Hatch End HA5, Pinner HA5, Rayners Lane HA5, Eastcote HA5 HA4, Northwood HA6, Stanmore HA7, Burnt Oak HA8, Edgware HA8, Preston HA9, Tokyngton HA9, Wembley Park HA9.

Ilford

Ilford IG1, Loxford IG1, Barking IG11, Barking Riverside IG11, Creekmouth IG11, Thames View IG11, Upney IG11, Aldborough Hatch IG2, Gants Hill IG2, Newbury Park IG2, Goodmayes IG3, Seven Kings IG3, Redbridge IG4, Barkingside IG6, Hainault IG7 Woodford Bridge IG8, Woodford Wells IG8, Woodford Green IG8, Woodford IG8 E18.