Local Calling Guide
Area code/prefix search
NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]
NXX: 603
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
815-603 | A | Joliet | IL | ELGNILOT1MD | 6529 T-MOBILE USA, INC. | 358 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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