Local Calling Guide
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Switch: SLBRMD90
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| SLBRMD901MD | 939H COMMIO, LLC | |
| SLBRMD902MD | 073H TELNYX LLC | |
| SLBRMD905MD | 197D VONAGE AMERICA LLC | |
| SLBRMD906MD | 145J TERRA NOVA TELECOM INC. | |
| SLBRMD907MD | 321J HD CARRIER LLC | |
| SLBRMD908MD | 490J BOOST SUBSCRIBERCO L.L.C. | |
| SLBRMD90AMD | 965H FRACTEL, LLC | |
| SLBRMD90BMD | 516J TON80 COMMUNICATIONS, LLC | |
| SLBRMD90CM8 | SALISBURY | 6810 REDI-CALL COMMUNICATIONS CO. |
| SLBRMD90DS0 | SALISBURY | 2593 CORE COMMUNICATIONS, INC.- MD |
| SLBRMD90DS0 | SALISBURY | 568G PEERLESS NETWORK OF MARYLAND, LLC |
| SLBRMD90DS0 | SALISBURY | 469J CORETEL MARYLAND, INC. - MD |
| SLBRMD90EMD | 616J LEAP TELECOM, LLC | |
| SLBRMD90FMD | 700J WAVENATION, LLC | |
| SLBRMD90GMD | ||
| SLBRMD90HMD | ||
| SLBRMD90JMD | 824J OPENTACT INC. | |
| SLBRMD90KMD | ||
| SLBRMD90MMD |
Last updated: Sat, 01 Aug 2026 03:19:33 UTC
Sponsored by: VoIP Much Phone Company
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