Local Calling Guide
Area code/prefix search
NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]
NXX: 538
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
617-538 | A | Waltham | MA | CMBSMA01GT4 | 4036 NEW CINGULAR WIRELESS PCS, LLC - DC | 128 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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