Local Calling Guide
Area code/prefix search
NPA: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]
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| NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
|---|---|---|---|---|---|---|---|---|---|
| 320-999 | 3 | Sandstone | MN | MPLSMNDTXRX | 980E BANDWIDTH.COM CLEC, LLC - MN | 628 | 2019-07-26 | ||
| 320-999 | 4 | Sandstone | MN | MPLSMNCDDSF | 107F PEERLESS NETWORK OF MINNESOTA, LLC - MN | 628 | 2019-10-25 | ||
| 320-999 | 5 | Sandstone | MN | MPLSMNCDDSC | 184D ONVOY, LLC - MN | 628 | 2020-11-07 | ||
| 320-999 | 6 | Sandstone | MN | MPLSMNDTX1Y | 8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN | 628 | 2020-06-26 | ||
| 320-999 | 7 | Sandstone | MN | MPLSMNCDDSC | 184D ONVOY, LLC - MN | 628 | 2020-11-07 | ||
| 320-999 | 8 | Sandstone | MN | 114J EXIANT COMMUNICATIONS LLC | 628 | 2026-04-24 | |||
| 320-999 | 9 | Sandstone | MN | 145J TERRA NOVA TELECOM INC. | 628 | 2019-03-18 |
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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