Customer Service Resources
Questions about the High Cost Program? Use the following contact information to get answers. When emailing USAC, please include the carrier name and SPIN (Service Provider Identification Number – also known as 498 ID).
High Cost Customer Service Center
| Topic | Contact |
| Disbursement issues | Email: HCquestions@usac.org
Phone: (844) 357-0408 Hours: Monday-Friday 8 a.m. to 8 p.m. ET For information about what the Customer Service Center can and cannot help with, see the High Cost Customer Service Center Tips guide. |
| Forms 481, 507, 508, 509, and 54.314 certifications | |
| HUBB, PMM, and other HC systems and tools | |
| All other HC inquiries |
Specialized Requests
| Topic | Contact |
| HUBB, PMM, Form 481, and 54.314 certifications | HCcerts@usac.org |
| Verification reviews | HCverifications@usac.org |
| Letters of Credit (LOC) | HCinfo@usac.org and HCverifications@usac.org |
| Disbursements | HCinfo@usac.org |
| HC appeals | HCappeals@usac.org |
| ETC designation orders/relinquishment, Study Area Code (SAC) requests | HCorders@usac.org |
| Service providers, E-File, and Form 498 (For SPIN/498 ID questions, see the Service Providers Contact Us webpage.) | CustomerSupport@usac.org |