Local Calling Guide
Area code/prefix search
NPA: 857
[Rate centres in NPA 857]
[Dial plan for NPA 857]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-388
| A |
Somerville |
MA |
SOVLMAAB6MD |
939H COMMIO, LLC |
128 |
|
|
|
| 857-388
| 0 |
Somerville |
MA |
SOVLMAAB6MD |
939H COMMIO, LLC |
128 |
|
2021-11-25 |
|
| 857-388
| 1 |
Somerville |
MA |
SOVLMAAB6MD |
939H COMMIO, LLC |
128 |
|
2021-11-25 |
|
| 857-388
| 2 |
Somerville |
MA |
SOVLMAAB6MD |
939H COMMIO, LLC |
128 |
|
2021-11-25 |
|
| 857-388
| 3 |
Somerville |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-11-27 |
|
| 857-388
| 4 |
Somerville |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-03-21 |
|
| 857-388
| 5 |
Somerville |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-01-15 |
|
| 857-388
| 6 |
Somerville |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-01-15 |
|
| 857-388
| 7 |
Somerville |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-03-21 |
|
| 857-388
| 8 |
Somerville |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-11-27 |
|
| 857-388
| 9 |
Somerville |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-08-17 |
|
| 857-389
| A |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-389
| 0 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-389
| 1 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2008-09-29 |
|
| 857-389
| 2 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-389
| 3 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2009-05-10 |
|
| 857-389
| 4 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2012-09-27 |
|
| 857-389
| 5 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2012-12-10 |
|
| 857-389
| 6 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-389
| 7 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-11-12 |
|
| 857-389
| 8 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2006-12-23 |
|
| 857-389
| 9 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-390
| A |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-390
| 0 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-12-31 |
|
| 857-390
| 1 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-12-31 |
|
| 857-390
| 2 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-12-31 |
|
| 857-390
| 3 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-12-31 |
|
| 857-390
| 4 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-12-31 |
|
| 857-390
| 5 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-12-31 |
|
| 857-390
| 6 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-12-31 |
|
| 857-390
| 7 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-12-06 |
|
| 857-390
| 8 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-12-06 |
|
| 857-390
| 9 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-12-06 |
|
| 857-391
| A |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-391
| 0 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-02-20 |
|
| 857-391
| 1 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-02-20 |
|
| 857-391
| 2 |
Charlestown |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-02-11 |
|
| 857-391
| 3 |
Charlestown |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-02-11 |
|
| 857-391
| 4 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-02-20 |
|
| 857-391
| 5 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-07-08 |
|
| 857-391
| 6 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-01-17 |
|
| 857-391
| 7 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-01-17 |
|
| 857-391
| 8 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-01-17 |
|
| 857-391
| 9 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-01-17 |
|
| 857-392
| A |
Jamaica Plain |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
| 857-392
| 0 |
Jamaica Plain |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-03-21 |
|
| 857-392
| 1 |
Jamaica Plain |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-03-21 |
|
| 857-392
| 2 |
Jamaica Plain |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-08-14 |
|
| 857-392
| 3 |
Jamaica Plain |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-08-14 |
|
| 857-392
| 4 |
Jamaica Plain |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-08-14 |
|
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Last updated: Wed, 04 Mar 2026 03:00:52 UTC
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