| Business | Phone |
| Coast To Coast Wireless 2633 Harbor Blvd, Costa Mesa 92626 | (714) 429-9800 |
| Aircall Wireless 3420 Bristol St # 110, Costa Mesa 92626 | (714) 689-3300 |
| Airkom Wireless 1922 Harbor Blvd, Costa Mesa 92627 | (949) 515-3663 |
| Bfj Wireless 2180 Harbor Blvd, Costa Mesa 92627 | (949) 722-1636 |
| Cingular Wireless 298 E 17th St, Costa Mesa 92627 | (949) 764-0021 |
| United Q Wireless 771 W 19th St, Costa Mesa 92627 | (949) 631-2396 |
| T Mobile 299 E 17th St, Costa Mesa 92627 | (949) 646-1934 |
| Real Wireless 839 W 19th St # C, Costa Mesa 92627 | (949) 515-3504 |
| Newport Cellular Paging 1743 Newport Blvd, Costa Mesa 92627 | (949) 722-6000 |