Local Calling Guide
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Switch: WASHDCSW
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| WASHDCSW07T | WASHINGTON SOUTHWEST | 9211 VERIZON WASHINGTON DC, INC. |
| WASHDCSW1ED | WASHINGTON | |
| WASHDCSW2WD | WASHINGTON SOUTHWEST | |
| WASHDCSW3MD | ||
| WASHDCSW77W | WASHINGTON | |
| WASHDCSW90T | WASHINGTON | |
| WASHDCSWCAA | WASHINGTON | |
| WASHDCSWCMD | 812C INTRADO COMMUNICATIONS LLC | |
| WASHDCSWDS8 | WASHINGTON | 7421 AT&T - LOCAL |
| WASHDCSWDSA | WASHINGTON SOUTHWEST 1 | 9211 VERIZON WASHINGTON DC, INC. |
| WASHDCSWDSS | WASHINGTON SOUTHWEST | 9211 VERIZON WASHINGTON DC, INC. |
| WASHDCSWFMD | 538H WIDE VOICE, LLC - DC | |
| WASHDCSWFMD | 530H WIDE VOICE, LLC - MD | |
| WASHDCSWG0T | WASHINGTON | |
| WASHDCSWGMD | ||
| WASHDCSWGT4 | ||
| WASHDCSWJMD | 538H WIDE VOICE, LLC - DC | |
| WASHDCSWKMD | ||
| WASHDCSWMMD | 624H ONVOY SPECTRUM, LLC | |
| WASHDCSWNMD | 321J HD CARRIER LLC | |
| WASHDCSWPMD | 321J HD CARRIER LLC | |
| WASHDCSWPS0 | WASHINGTON SOUTHWEST | 9211 VERIZON WASHINGTON DC, INC. |
| WASHDCSWSMD | 551G NUSO, LLC | |
| WASHDCSWVMD | 156J RCLEC, INC. | |
| WASHDCSWX2Z | ||
| WASHDCSWX4Y | ||
| WASHDCSWX5X | ||
| WASHDCSWXCY | ||
| WASHDCSWXCZ | ||
| WASHDCSWXVY | ||
| WASHDCSWZMD |
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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