| Business | Phone |
| Cellular One 320 W Thomas St, Hammond 70401 | (985) 345-0010 |
| Centennial Wireless 201 S Cate St, Hammond 70403 | (985) 350-6273 |
| Cingular Wireless 1625 S Morrison Blvd, Hammond 70403 | (985) 345-9020 |
| Cingular Wireless 1805 Sw Railroad Ave D, Hammond 70403 | (985) 542-2933 |
| Cingular Wireless 2920 Highway 190 W, Hammond 70401 | (985) 543-6925 |
| Telecom Llc 2000 Sw Railroad Ave, Hammond 70403 | (985) 543-6925 |
| Execu Com Inc 935 S Morrison Blvd, Hammond 70403 | (985) 429-1088 |
| Sprint Pcs 2200 W Thomas St, Hammond 70401 | (985) 429-1400 |
| Interstate Connections 2100 Sw Railroad Ave, Hammond 70403 | (985) 429-0379 |
| Radio Shack 2000 Sw Railroad Ave, Hammond 70403 | (985) 345-4897 |
| Excellular Communications 1712 Sw Railroad Ave, Hammond 70403 | (985) 345-3306 |
| Nextel 14605 W University Ave A, Hammond 70401 | (985) 902-9155 |
| Nextel 2804 W Thomas St, Hammond 70401 | (985) 902-8875 |
| Northlake Cellular & Paging 123 S Cate St, Hammond 70403 | (985) 542-7187 |