Local Calling Guide
Area code/prefix search
NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]
NXX: 346
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
857-346 | A | Boston | MA | SOVLMAAB0MD | 148J TELENGY LLC | 128 | |||
857-346 | 0 | Boston | MA | SOVLMAAB0MD | 148J TELENGY LLC | 128 | 2018-07-07 | ||
857-346 | 1 | Boston | MA | CMBRMABE5MD | 551G NUSO, LLC | 128 | 2018-07-22 | ||
857-346 | 2 | Boston | MA | NWTNMAWAVMD | 318J COMCAST IP PHONE, LLC | 128 | 2018-07-22 | ||
857-346 | 3 | Boston | MA | NRTNMAAACM4 | 5562 METROPCS, INC. | 128 | 2018-07-14 | ||
857-346 | 4 | Boston | MA | NRTNMAAACM4 | 5562 METROPCS, INC. | 128 | 2018-07-14 | ||
857-346 | 5 | Boston | MA | NRTNMAAACM4 | 5562 METROPCS, INC. | 128 | 2018-07-14 | ||
857-346 | 6 | Boston | MA | NRTNMAAACM4 | 5562 METROPCS, INC. | 128 | 2018-08-02 | ||
857-346 | 7 | Boston | MA | NRTNMAAACM4 | 5562 METROPCS, INC. | 128 | 2018-08-02 | ||
857-346 | 8 | Boston | MA | NRTNMAAACM4 | 5562 METROPCS, INC. | 128 | 2018-08-02 | ||
857-346 | 9 | Boston | MA | NRTNMAAACM4 | 5562 METROPCS, INC. | 128 | 2018-08-02 |
Last updated: Sun, 27 Apr 2025 12:48:38 UTC
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