Local Calling Guide
Area code/prefix search
NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]
NXX: 874
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
636-874 | A | O'Fallon | MO | STLSMOGZHMD | 516J TON80 COMMUNICATIONS, LLC | 520 | |||
636-874 | 2 | O'Fallon | MO | STLSMOGZHMD | 516J TON80 COMMUNICATIONS, LLC | 520 | 2022-04-18 |
Last updated: Sun, 01 Jun 2025 02:18:11 UTC
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