Local Calling Guide
Area code/prefix search
NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]
NXX: 295
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
603-295 | A | Durham | NH | 829J PAETEC ITEL, LLC | 122 | 2025-04-30 |
Last updated: Tue, 15 Jul 2025 18:46:49 UTC
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