Local Calling Guide
Area code/prefix search
NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]
NXX: 223
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
857-223 | A | Boston | MA | CMBRMAWA0MD | 3370 CTC COMMUNICATIONS CORP. - MA | 128 | |||
857-223 | 1 | Boston | MA | CMBRMAWA0MD | 3370 CTC COMMUNICATIONS CORP. - MA | 128 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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