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 |
| 857-678
| 4 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-13 |
|
| 857-678
| 5 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-13 |
|
| 857-678
| 6 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-13 |
|
| 857-678
| 7 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-04 |
|
| 857-678
| 8 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-13 |
|
| 857-678
| 9 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-07-10 |
|
| 857-688
| A |
Dorchester |
MA |
SOVLMAABAMD |
965H FRACTEL, LLC |
128 |
|
|
|
| 857-688
| 0 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-12-19 |
|
| 857-688
| 1 |
Dorchester |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-03-20 |
|
| 857-688
| 2 |
Dorchester |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-03-20 |
|
| 857-688
| 3 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-12-19 |
|
| 857-688
| 4 |
Dorchester |
MA |
SOVLMAABCMD |
516J TON80 COMMUNICATIONS, LLC |
128 |
|
2022-03-17 |
|
| 857-688
| 5 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-12-19 |
|
| 857-688
| 6 |
Dorchester |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-02-07 |
|
| 857-688
| 7 |
Dorchester |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-02-07 |
|
| 857-688
| 8 |
Dorchester |
MA |
SOVLMAABAMD |
965H FRACTEL, LLC |
128 |
|
2021-12-26 |
|
| 857-688
| 9 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-12-19 |
|
| 857-693
| A |
Roxbury |
MA |
SOVLMAABCMD |
516J TON80 COMMUNICATIONS, LLC |
128 |
|
|
|
| 857-693
| 0 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-06-13 |
|
| 857-693
| 1 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-06-13 |
|
| 857-693
| 2 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-09-15 |
|
| 857-693
| 3 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-09-15 |
|
| 857-693
| 4 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-09-15 |
|
| 857-693
| 5 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-09-15 |
|
| 857-693
| 6 |
Roxbury |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-04-20 |
|
| 857-693
| 7 |
Roxbury |
MA |
SOVLMAABCMD |
516J TON80 COMMUNICATIONS, LLC |
128 |
|
2022-04-19 |
|
| 857-693
| 8 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-06-13 |
|
| 857-693
| 9 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-08-25 |
|
| 857-701
| A |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-701
| 0 |
Roxbury |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2014-09-05 |
|
| 857-701
| 1 |
Roxbury |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-03-18 |
|
| 857-701
| 2 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-08-23 |
|
| 857-701
| 3 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-08-23 |
|
| 857-701
| 4 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2024-09-22 |
|
| 857-701
| 5 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-03-16 |
|
| 857-701
| 6 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-03-16 |
|
| 857-701
| 7 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-03-16 |
|
| 857-701
| 8 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-03-16 |
|
| 857-701
| 9 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-03-16 |
|
| 857-702
| A |
Boston |
MA |
CMBRMABE5MD |
551G NUSO, LLC |
128 |
|
|
|
| 857-702
| 0 |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2014-08-08 |
|
| 857-702
| 1 |
Boston |
MA |
CMBRMABE5MD |
551G NUSO, LLC |
128 |
|
2014-04-11 |
|
| 857-702
| 2 |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-05-15 |
|
| 857-702
| 3 |
Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-04-14 |
|
| 857-702
| 4 |
Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-04-14 |
|
| 857-702
| 5 |
Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-04-14 |
|
| 857-702
| 6 |
Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-04-14 |
|
| 857-702
| 7 |
Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-04-14 |
|
| 857-702
| 8 |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-05-15 |
|
| 857-702
| 9 |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-05-15 |
|
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Last updated: Wed, 04 Mar 2026 03:00:52 UTC
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