Local Calling Guide
Area code/prefix search
NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]
NXX: 497
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
857-497 | A | Charlestown | MA | NRTNMAAACM4 | 6889 OMNIPOINT MIAMI E LICENSE, LLC | 128 | |||
857-497 | 0 | Charlestown | MA | 892D ONVOY, LLC - MA | 128 | 2024-03-07 | |||
857-497 | 8 | Charlestown | MA | NRTNMAAACM4 | 6889 OMNIPOINT MIAMI E LICENSE, LLC | 128 | 2023-10-20 | ||
857-497 | 9 | Charlestown | MA | NRTNMAAACM4 | 6889 OMNIPOINT MIAMI E LICENSE, LLC | 128 | 2023-10-20 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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