Local Calling Guide
Switch search
Switch: HSTNTXPB
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| HSTNTXPB01T | HOUSTON | |
| HSTNTXPB6MD | 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | |
| HSTNTXPBDS0 | HOUSTON | |
| HSTNTXPBDS1 | HOUSTON |
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.