Local Calling Guide
Area code/prefix search
Switch: STHLMIMNRSA
- Switch name: ST HELEN
- Switch type: 5ER
- Host: BYCYMIWSDS0
- See all switches at this location
NPA-NXX | BLOCK | Rate Centre | Region | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|
989-389 | A | St Helen | MI | 9323 AMERITECH MICHIGAN | 344 |
Last updated: Sun, 04 Apr 2021 19:28:27 UTC
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