| Business | Phone |
| Cingular Wireless 11869 Market St, Reston 20190 | (571) 203-9589 |
| Cingular Wireless 1422 North Point Village Ctr, Reston 20194 | (703) 834-2550 |
| Verizon Wireless 11830 Spectrum Ctr, Reston 20190 | (703) 437-2600 |
| Telenet Communications Corp 12490 Sunrise Valley Dr, Reston 20191 | (703) 689-6000 |
| Nextel 12000 Sunrise Valley Dr, Reston 20191 | (703) 391-9852 |
| Nextel 2000 Edmund Halley Dr, Reston 20191 | (703) 390-9764 |
| Sprint Nextel Corp 2001 Edmund Halley Dr, Reston 20191 | (703) 433-4000 |
| Nextel 2003 Edmund Halley Dr, Reston 20191 | (703) 860-3405 |
| Nextel 1837 Fountain Dr, Reston 20190 | (703) 834-0182 |
| Nii Holdings Inc 10700 Parkridge Blvd 600, Reston 20191 | (703) 390-5100 |