Local Calling Guide
Area code/prefix search
NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]
NXX: 399
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
617-399 | A | Boston | MA | CATNMAAKPS0 | 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 128 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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