| Business | Phone |
| Areawide Cellular 642 Anthony Trl, Northbrook 60062 | (847) 240-0000 |
| Cingular Wireless 2171 Northbrook Ct, Northbrook 60062 | (847) 412-1296 |
| Cingular Wireless 2720 Dundee Rd, Northbrook 60062 | (847) 291-8855 |
| Go Wireless 2171 Northbrook Ct, Northbrook 60062 | (847) 559-8600 |