Local Calling Guide
Area code/prefix search
NPA: 857
[Rate centres in NPA 857]
[Dial plan for NPA 857]
NXX: 355
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-355
| A |
Everett |
MA |
CMBSMA013MD |
428H AIRUS, INC. - MA |
128 |
|
|
|
| 857-355
| 0 |
Everett |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-11-13 |
|
| 857-355
| 1 |
Everett |
MA |
CMBSMA013MD |
428H AIRUS, INC. - MA |
128 |
|
2019-11-28 |
|
| 857-355
| 2 |
Everett |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2020-05-23 |
|
| 857-355
| 3 |
Everett |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2020-05-23 |
|
| 857-355
| 4 |
Everett |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-04-08 |
|
| 857-355
| 5 |
Everett |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-10-08 |
|
| 857-355
| 6 |
Everett |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-09-03 |
|
| 857-355
| 7 |
Everett |
MA |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2026-10-02 |
|
| 857-355
| 8 |
Everett |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-09-29 |
|
| 857-355
| 9 |
Everett |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2020-05-28 |
|
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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