Local Calling Guide
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Switch: SPFDILSD
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| SPFDILSD52T | SPRINGFIELD | |
| SPFDILSDDS0 | SPRINGFIELD | |
| SPFDILSDJMD | ||
| SPFDILSDRMD | 6529 T-MOBILE USA, INC. | |
| SPFDILSDX0X | ||
| SPFDILSDX2X | 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL | |
| SPFDILSDX5X | 516C AT&T CORP. | |
| SPFDILSDX6X | ||
| SPFDILSDX7X | ||
| SPFDILSDX8X | ||
| SPFDILSDZMD |
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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