Telephone Code Index - 01344
| 750884 | A & M Systems Ltd - Sandhurst |
| 989 500 | Advantech Europe Business Centre Gmbh - Ascot |
| 312344 | Arete Software Ltd - Bracknell |
| 626022 | Axtan Ltd - Ascot |
| 408200 | Bluearc U K Ltd. - Bracknell |
| 751300 | Cadpoint Ltd. - Crowthorne |
| 354949 | Datanet Communications Ltd. - Bracknell |
| 860456 | Dell Emerging Markets (Emea) Ltd. - Bracknell |
| 475000 | Fujitsu Siemens Computers - Bracknell |
| 427219 | Green P C (U K) Ltd. - Bracknell |
| 668298 | Hamilton Rentals Ltd. - Reading |
| 328000 | IHS Energy - Bracknell |
| 776666 | Interface Force Measurements Ltd - Crowthorne |
| 413200 | LSI - Bracknell |
| 873319 | M2M SIM - Ascot |
| 307733 | Manhattan Skyline Ltd - Bracknell |
| 409333 | Millennium Business Systems Ltd. - Bracknell |
| 724000 | Novell U K Ltd. - Bracknell |
| 893000 | NSGDatacom International - Ascot |
| 874114 | Packs Infotel Ltd. - Ascot |
| 862444 | Panasonic Business Systems Sales U K Ltd. - Bracknell |
| 869666 | Printronix Ltd - Bracknell |
| 894550 | Quintek Systems Ltd - Windsor |
| 706249 | Test Solutions Ltd. - Bracknell |
