| Business | Phone |
| Sprint Pcs 1935 Richardson Rd, Arnold 63010 | (636) 467-2565 |
| World Wide Wireless 2201 Michigan Ave, Arnold 63010 | (636) 287-8859 |
| Cingular Wireless 1105 Jeffco Blvd, Arnold 63010 | (636) 282-0269 |
| Cingular Wireless 3918 Vogel Rd, Arnold 63010 | (636) 287-1155 |