Local Calling Guide
Area code/prefix search
NPA: 557 [Rate centres in NPA 557] [Dial plan for NPA 557]
NXX: 218
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
557-218 | A | Ladue | MO | NWTPMOABGT1 | 6534 NEW CINGULAR WIRELESS PCS, LLC - IL | 520 | 2024-02-05 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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