Local Calling Guide
Area code/prefix search
NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]
NXX: 253
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
857-253 | A | Cambridge | MA | CHTWMABMAMD | 2899 BROADVIEW NETWORKS, INC. - MA | 128 | |||
857-253 | 0 | Cambridge | MA | CHTWMABMAMD | 2899 BROADVIEW NETWORKS, INC. - MA | 128 | |||
857-253 | 1 | Cambridge | MA | NRTNMAAACM4 | 6889 OMNIPOINT MIAMI E LICENSE, LLC | 128 | 2006-09-09 | ||
857-253 | 2 | Cambridge | MA | CHTWMABMAMD | 2899 BROADVIEW NETWORKS, INC. - MA | 128 | |||
857-253 | 3 | Cambridge | MA | 939H COMMIO, LLC | 128 | 2024-03-04 | |||
857-253 | 4 | Cambridge | MA | 939H COMMIO, LLC | 128 | 2024-03-04 | |||
857-253 | 5 | Cambridge | MA | 939H COMMIO, LLC | 128 | 2024-03-04 | |||
857-253 | 8 | Cambridge | MA | CMBSMA01GT4 | 4036 NEW CINGULAR WIRELESS PCS, LLC - DC | 128 | 2009-08-04 | ||
857-253 | 9 | Cambridge | MA | CMBSMA01GT4 | 4036 NEW CINGULAR WIRELESS PCS, LLC - DC | 128 | 2010-06-14 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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