Local Calling Guide
Area code/prefix search
NPA: 857
[Rate centres in NPA 857]
[Dial plan for NPA 857]
NXX: 407
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-407
| A |
Roxbury |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
|
|
| 857-407
| 0 |
Roxbury |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2015-11-07 |
|
| 857-407
| 1 |
Roxbury |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2015-11-30 |
|
| 857-407
| 2 |
Roxbury |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2016-02-19 |
|
| 857-407
| 3 |
Roxbury |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2016-03-10 |
|
| 857-407
| 4 |
Roxbury |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2016-03-10 |
|
| 857-407
| 5 |
Roxbury |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2022-09-17 |
|
| 857-407
| 6 |
Roxbury |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-10-22 |
|
| 857-407
| 7 |
Roxbury |
MA |
SOVLMAAB5MD |
732H BARR TELL USA, INC. - MA |
128 |
|
2015-12-31 |
|
| 857-407
| 8 |
Roxbury |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2015-07-31 |
|
| 857-407
| 9 |
Roxbury |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2015-07-31 |
|
Last updated: Sat, 05 Apr 2025 03:03:23 UTC
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