| Business | Phone |
| Mega Wireless 604a Torrence Ave, Calumet City 60409 | (708) 832-2400 |
| Nextel 5 River Oaks Center Dr 5, Calumet City 60409 | (708) 868-6839 |
| Pagecomm 96 River Oaks Dr T27, Calumet City 60409 | (708) 832-9004 |
| T-Mobile Usa 96 River Oaks Center Dr B105, Calumet City 60409 | (708) 862-7700 |
| Verizon Wireless 1245 Torrence Ave, Calumet City 60409 | (708) 862-0500 |