Local Calling Guide
Area code/prefix search
OCN: 907D INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC.
NPA-NXX | BLOCK | Rate Centre | Region | Switch | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|
605-405 | 9 | Arlington | SD | WTTWSDCO0MD | 640 | |||
605-438 | A | Milbank | SD | WTTWSDCO0MD | 640 | |||
605-621 | A | Madison | SD | WTTWSDCO0MD | 640 | |||
605-621 | 9 | Madison | SD | WTTWSDCO0MD | 640 | |||
605-954 | 9 | Watertown | SD | WTTWSDCO0MD | 640 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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