Local Calling Guide
Area code/prefix search
NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]
NXX: 799
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
857-799 | A | Cambridge | MA | CMBRMABEQMD | 321J HD CARRIER LLC | 128 | |||
857-799 | 0 | Cambridge | MA | NRTNMAAACM4 | 6889 OMNIPOINT MIAMI E LICENSE, LLC | 128 | |||
857-799 | 1 | Cambridge | MA | CMBRMABENMD | 624H ONVOY SPECTRUM, LLC | 128 | |||
857-799 | 2 | Cambridge | MA | BSTPMALLDS3 | 892D ONVOY, LLC - MA | 128 | |||
857-799 | 3 | Cambridge | MA | BSTPMALLDS3 | 892D ONVOY, LLC - MA | 128 | |||
857-799 | 4 | Cambridge | MA | NWTNMAWAVMD | 318J COMCAST IP PHONE, LLC | 128 | |||
857-799 | 5 | Cambridge | MA | BSTPMALLDS3 | 892D ONVOY, LLC - MA | 128 | |||
857-799 | 6 | Cambridge | MA | BSTPMALLDS3 | 892D ONVOY, LLC - MA | 128 | |||
857-799 | 7 | Cambridge | MA | BSTPMALLDS3 | 892D ONVOY, LLC - MA | 128 | |||
857-799 | 8 | Cambridge | MA | BSTPMALLDS3 | 892D ONVOY, LLC - MA | 128 | |||
857-799 | 9 | Cambridge | MA | CMBRMABEQMD | 321J HD CARRIER LLC | 128 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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