Local Calling Guide
Area code/prefix search
NPA: 857
[Rate centres in NPA 857]
[Dial plan for NPA 857]
NXX: 244
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-244
| A |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 857-244
| 0 |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2008-08-15 |
|
| 857-244
| 1 |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2008-12-07 |
|
| 857-244
| 2 |
Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2009-01-05 |
|
| 857-244
| 3 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2009-07-20 |
|
| 857-244
| 4 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2009-07-20 |
|
| 857-244
| 5 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2009-07-06 |
|
| 857-244
| 6 |
Boston |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2009-05-15 |
|
| 857-244
| 7 |
Boston |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2024-09-11 |
|
| 857-244
| 8 |
Boston |
MA |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2025-02-06 |
|
| 857-244
| 9 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2009-07-06 |
|
Last updated: Sat, 05 Apr 2025 03:03:23 UTC
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