This page contains information about which telephone companies the various 05511 numbers are allocated to.
| First Digits | Status | Communications Provider | Notes | Change |
|---|---|---|---|---|
| 055 1100 | Allocated | Pulsant (Scotland) Limited | 10 Digit Numbers | 02/2009 |
| 055 1101 | Allocated | Frontier Systems Ltd | 10 Digit Numbers | 09/2007 |
| 055 1102 | Free | - | 10 Digit Numbers | - |
| 055 1103 | Free | - | 10 Digit Numbers | - |
| 055 1104 | Free | - | 10 Digit Numbers | - |
| 055 1105 | Free | - | 10 Digit Numbers | - |
| 055 1106 | Free | - | 10 Digit Numbers | - |
| 055 1107 | Allocated | 24 Seven Communications Ltd | 10 Digit Numbers | 08/2009 |
| 055 1108 | Free | - | 10 Digit Numbers | - |
| 055 1109 | Free | - | 10 Digit Numbers | - |
| 055 1110 | Allocated | CFL Communications Limited | 10 Digit Numbers | 04/2014 |
| 055 1111 | Free | - | 10 Digit Numbers | - |
| 055 1112 | Free | - | 10 Digit Numbers | - |
| 055 1113 | Free | - | 10 Digit Numbers | - |
| 055 1114 | Free | - | 10 Digit Numbers | - |
| 055 1115 | Free | - | 10 Digit Numbers | - |
| 055 1116 | Free | - | 10 Digit Numbers | - |
| 055 1117 | Free | - | 10 Digit Numbers | - |
| 055 1118 | Free | - | 10 Digit Numbers | - |
| 055 1119 | Free | - | 10 Digit Numbers | - |
| 055 1120 | Free | - | 10 Digit Numbers | - |
| 055 1121 | Free | - | 10 Digit Numbers | - |
| 055 1122 | Free | - | 10 Digit Numbers | - |
| 055 1123 | Free | - | 10 Digit Numbers | - |
| 055 1124 | Free | - | 10 Digit Numbers | - |
| 055 1125 | Free | - | 10 Digit Numbers | - |
| 055 1126 | Free | - | 10 Digit Numbers | - |
| 055 1127 | Free | - | 10 Digit Numbers | - |
| 055 1128 | Free | - | 10 Digit Numbers | - |
| 055 1129 | Free | - | 10 Digit Numbers | - |
| 055 1130 | Free | - | 10 Digit Numbers | - |
| 055 1131 | Free | - | 10 Digit Numbers | - |
| 055 1132 | Free | - | 10 Digit Numbers | - |
| 055 1133 | Free | - | 10 Digit Numbers | - |
| 055 1134 | Free | - | 10 Digit Numbers | - |
| 055 1135 | Free | - | 10 Digit Numbers | - |
| 055 1136 | Free | - | 10 Digit Numbers | - |
| 055 1137 | Free | - | 10 Digit Numbers | - |
| 055 1138 | Free | - | 10 Digit Numbers | - |
| 055 1139 | Free | - | 10 Digit Numbers | - |
| 055 1140 | Allocated | BT | 10 Digit Numbers | 03/2004 |
| 055 1141 | Free | - | 10 Digit Numbers | - |
| 055 1142 | Free | - | 10 Digit Numbers | - |
| 055 1143 | Allocated | BT | 10 Digit Numbers | 05/2001 |
| 055 1144 | Allocated | BT | 10 Digit Numbers | 11/2000 |
| 055 1145 | Allocated | BT | 10 Digit Numbers | 03/2004 |
| 055 1146 | Allocated | BT | 10 Digit Numbers | 03/2004 |
| 055 1147 | Allocated | BT | 10 Digit Numbers | 03/2004 |
| 055 1148 | Allocated | BT | 10 Digit Numbers | 03/2004 |
| 055 1149 | Allocated | BT | 10 Digit Numbers | 03/2004 |
| 055 1150 | Free | - | 10 Digit Numbers | - |
| 055 1151 | Free | - | 10 Digit Numbers | - |
| 055 1152 | Free | - | 10 Digit Numbers | - |
| 055 1153 | Free | - | 10 Digit Numbers | - |
| 055 1154 | Free | - | 10 Digit Numbers | - |
| 055 1155 | Allocated | Resilient Networks Plc | 10 Digit Numbers | 06/2006 |
| 055 1156 | Free | - | 10 Digit Numbers | - |
| 055 1157 | Free | - | 10 Digit Numbers | - |
| 055 1158 | Free | - | 10 Digit Numbers | - |
| 055 1159 | Free | - | 10 Digit Numbers | - |
| 055 1160 | Free | - | 10 Digit Numbers | - |
| 055 1161 | Free | - | 10 Digit Numbers | - |
| 055 1162 | Free | - | 10 Digit Numbers | - |
| 055 1163 | Free | - | 10 Digit Numbers | - |
| 055 1164 | Free | - | 10 Digit Numbers | - |
| 055 1165 | Free | - | 10 Digit Numbers | - |
| 055 1166 | Free | - | 10 Digit Numbers | - |
| 055 1167 | Free | - | 10 Digit Numbers | - |
| 055 1168 | Free | - | 10 Digit Numbers | - |
| 055 1169 | Free | - | 10 Digit Numbers | - |
| 055 1170 | Free | - | 10 Digit Numbers | - |
| 055 1171 | Free | - | 10 Digit Numbers | - |
| 055 1172 | Free | - | 10 Digit Numbers | - |
| 055 1173 | Free | - | 10 Digit Numbers | - |
| 055 1174 | Free | - | 10 Digit Numbers | - |
| 055 1175 | Free | - | 10 Digit Numbers | - |
| 055 1176 | Free | - | 10 Digit Numbers | - |
| 055 1177 | Free | - | 10 Digit Numbers | - |
| 055 1178 | Free | - | 10 Digit Numbers | - |
| 055 1179 | Free | - | 10 Digit Numbers | - |
| 055 1180 | Free | - | 10 Digit Numbers | - |
| 055 1181 | Free | - | 10 Digit Numbers | - |
| 055 1182 | Free | - | 10 Digit Numbers | - |
| 055 1183 | Free | - | 10 Digit Numbers | - |
| 055 1184 | Free | - | 10 Digit Numbers | - |
| 055 1185 | Free | - | 10 Digit Numbers | - |
| 055 1186 | Free | - | 10 Digit Numbers | - |
| 055 1187 | Free | - | 10 Digit Numbers | - |
| 055 1188 | Free | - | 10 Digit Numbers | - |
| 055 1189 | Free | - | 10 Digit Numbers | - |
| 055 1190 | Free | - | 10 Digit Numbers | - |
| 055 1191 | Free | - | 10 Digit Numbers | - |
| 055 1192 | Free | - | 10 Digit Numbers | - |
| 055 1193 | Free | - | 10 Digit Numbers | - |
| 055 1194 | Free | - | 10 Digit Numbers | - |
| 055 1195 | Free | - | 10 Digit Numbers | - |
| 055 1196 | Free | - | 10 Digit Numbers | - |
| 055 1197 | Free | - | 10 Digit Numbers | - |
| 055 1198 | Free | - | 10 Digit Numbers | - |
| 055 1199 | Free | - | 10 Digit Numbers | - |