S Digit 1/2 List, SA=20 London

• national numbers starting 200 (SAB=200) London National Dialling
• national numbers starting 201 (SAB=201) London National Dialling
• national numbers starting 202 (SAB=202) London expansion
• national numbers starting 203 (SAB=203) London
• national numbers starting 204 (SAB=204) London expansion
• national numbers starting 205 (SAB=205) London expansion
• national numbers starting 206 (SAB=206) London expansion
• national numbers starting 207 (SAB=207) London
• national numbers starting 208 (SAB=208) London
• national numbers starting 209 (SAB=209) London expansion, London Emergency Services