Local Calling Guide
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Switch: SLBRMDSB
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| SLBRMDSB10T | SALISBURY | |
| SLBRMDSB12T | SALISBURY | |
| SLBRMDSB8MD | ||
| SLBRMDSBAMD | 551G NUSO, LLC | |
| SLBRMDSBBMD | ||
| SLBRMDSBDC0 | SALISBURY | |
| SLBRMDSBDS0 | SALISBURY 1 | |
| SLBRMDSBDS1 | SALISBURY 2 | 9212 VERIZON MARYLAND, INC. |
| SLBRMDSBNMD | ||
| SLBRMDSBPMD | 361H ATLANTECH ONLINE, INC. - MD | |
| SLBRMDSBRMD | ||
| SLBRMDSBWMD | 073H TELNYX LLC | |
| SLBRMDSBX0X | 624H ONVOY SPECTRUM, LLC | |
| SLBRMDSBX0Y | 478J NUSO, LLC | |
| SLBRMDSBX1Y | ||
| SLBRMDSBX2Y | 506J TWILIO INTERNATIONAL, INC. | |
| SLBRMDSBX4Y | 732J NUSO, LLC | |
| SLBRMDSBX5Y | ||
| SLBRMDSBX6X | ||
| SLBRMDSBX6Y | ||
| SLBRMDSBX7Y | 792K CHARTER IP ENABLED SERVICES, LLC | |
| SLBRMDSBX8Y | 7421 AT&T - LOCAL | |
| SLBRMDSBXFX | 6119 LEVEL 3 COMMUNICATIONS, LLC - MD | |
| SLBRMDSBXLX | 318J COMCAST IP PHONE, LLC | |
| SLBRMDSBXMD | 073H TELNYX LLC | |
| SLBRMDSBXQX | ||
| SLBRMDSBXRX | 515J IP HORIZON LLC | |
| SLBRMDSBXUX | 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD | |
| SLBRMDSBXVX | 876D ONVOY, LLC - MD | |
| SLBRMDSBXWX | 861F MCC TELEPHONY OF THE MID-ATLANTIC, LLC - MD | |
| SLBRMDSBXYX | ||
| SLBRMDSBXZX | 114J EXIANT COMMUNICATIONS LLC | |
| SLBRMDSBY0X | 425J CSC WIRELESS, LLC |
Last updated: Sat, 15 Nov 2025 03:38:44 UTC
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