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 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
857-777
| 4 |
Cambridge |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2015-06-07 |
|
857-777
| 5 |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2012-08-03 |
|
857-777
| 6 |
Cambridge |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-12-15 |
|
857-777
| 7 |
Cambridge |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2012-04-26 |
|
857-777
| 8 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-10-11 |
|
857-777
| 9 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-10-11 |
|
857-788
| A |
Boston |
MA |
CMBRMABEXFX |
622J SKYE TELECOM LLC DBA SKYETEL |
128 |
|
|
|
857-788
| 0 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-10-06 |
|
857-788
| 1 |
Boston |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-03-17 |
|
857-788
| 2 |
Boston |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-03-17 |
|
857-788
| 3 |
Boston |
MA |
CMBSMA01GT4 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2022-07-22 |
|
857-788
| 4 |
Boston |
MA |
CMBSMA01GT4 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2022-07-22 |
|
857-788
| 5 |
Boston |
MA |
CMBSMA01GT4 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2022-07-22 |
|
857-788
| 6 |
Boston |
MA |
CMBSMA01GT4 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2022-07-22 |
|
857-788
| 7 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-02-03 |
|
857-788
| 8 |
Boston |
MA |
CMBRMABEXFX |
622J SKYE TELECOM LLC DBA SKYETEL |
128 |
|
2021-10-24 |
|
857-788
| 9 |
Boston |
MA |
CMBSMA01GT4 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2022-07-22 |
|
857-799
| A |
Cambridge |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
|
|
857-799
| 0 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-05-20 |
|
857-799
| 1 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-02-25 |
|
857-799
| 2 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-12-06 |
|
857-799
| 3 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-12-06 |
|
857-799
| 4 |
Cambridge |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2022-10-21 |
|
857-799
| 5 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-11-27 |
|
857-799
| 6 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-11-27 |
|
857-799
| 7 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-11-27 |
|
857-799
| 8 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-11-27 |
|
857-799
| 9 |
Cambridge |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2018-12-29 |
|
857-800
| A |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
857-800
| 0 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2015-05-22 |
|
857-800
| 1 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2015-07-23 |
|
857-800
| 2 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2015-07-23 |
|
857-800
| 3 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2015-07-23 |
|
857-800
| 4 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2015-07-23 |
|
857-800
| 5 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2015-07-23 |
|
857-800
| 6 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2016-06-19 |
|
857-800
| 7 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2016-06-19 |
|
857-800
| 8 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2015-05-22 |
|
857-800
| 9 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2015-05-22 |
|
857-810
| A |
Boston |
MA |
CMBRMABEX6X |
566J RADIANTIQ LLC |
128 |
|
|
|
857-810
| 0 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
857-810
| 1 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
857-810
| 2 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
857-810
| 3 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
857-810
| 4 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
857-810
| 5 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
857-810
| 6 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
857-810
| 7 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
857-810
| 8 |
Boston |
MA |
CMBRMABEX6X |
566J RADIANTIQ LLC |
128 |
|
2021-05-10 |
|
857-810
| 9 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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