Local Calling Guide
Area code/prefix search
NPA: 857
[Rate centres in NPA 857]
[Dial plan for NPA 857]
NXX: 930
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-930
| A |
Boston |
MA |
CMBRMABE8MD |
156J RCLEC, INC. |
128 |
|
|
|
| 857-930
| 0 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-10-06 |
|
| 857-930
| 1 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-10-06 |
|
| 857-930
| 2 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2014-10-22 |
|
| 857-930
| 3 |
Boston |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2014-09-22 |
|
| 857-930
| 4 |
Boston |
MA |
CMBRMABE8MD |
156J RCLEC, INC. |
128 |
|
2014-08-08 |
|
| 857-930
| 5 |
Boston |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2014-09-22 |
|
| 857-930
| 6 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-09-01 |
|
| 857-930
| 7 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2015-07-27 |
|
| 857-930
| 8 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-10-06 |
|
| 857-930
| 9 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-10-06 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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