Local Calling Guide
Area code/prefix search
NPA: 312 [Rate centres in NPA 312] [Dial plan for NPA 312]
NXX: 231
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
312-231 | A | Schaumburg | IL | SCBGILRRGT1 | 6534 NEW CINGULAR WIRELESS PCS, LLC - IL | 358 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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