Telephone Code Index - 01302
| 752070 | Allsigns International Ltd. - Doncaster |
| 530510 | ATH Rubber Products - Doncaster |
| 890555 | Blp U K Ltd. - Doncaster |
| 840371 | C Plumb & Sons (Hatfield) Ltd. - Doncaster |
| 722912 | Containerwise Materials Handling Ltd - Doncaster |
| 350066 | Doncaster Plastic Fabrication Services Ltd - Doncaster |
| 326000 | Molding Solutions - Doncaster |
| 888810 | Moldmet Ltd. - Doncaster |
| 360161 | Palram Polycarb Ltd. - Doncaster |
| 311200 | Premier Profiles Ltd - Doncaster |
| 880100 | Senior and Dickson Ltd - Doncaster |
| 854531 | Shaw Trust Industries (Doncaster) - Doncaster |