Telecommunications Services in Harrow, Middlesex
| Name & Address | Phone # | Website |
| A C T Teleconferencing Queens House, Harrow, Middlesex HA1 1US | 020 89015401 |  |
| Harrow International Call Center 72 Station Road, Harrow, Middlesex HA1 2SQ | 020 88639124 |  |
| I B Networks Ltd Brigade House, Harrow, Middlesex HA2 0LQ | 0870-787 9600 | |
| Imax Networks Ltd Marlborough House, Harrow, Middlesex HA3 5DX | 020 89301001 | |
| Mobile Phones Supply & Services 21 Glebe Avenue, Harrow, Middlesex HA3 9LG | 020 82047092 | |
| Tawakal Telecom 8 High Street, Harrow, Middlesex HA3 7AA | 020 88610632 | |
