Local Calling Guide
Area code/prefix search
NPA: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]
NXX: 283
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
447-283 | A | Springfield | IL | SPFDILGI4MD | 475J CALLWORKS CORPORATION | 374 | 2024-02-08 | ||
447-283 | 1 | Springfield | IL | 475J CALLWORKS CORPORATION | 374 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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