Local Calling Guide
Area code/prefix search
NPA: 857
[Rate centres in NPA 857]
[Dial plan for NPA 857]
NXX: 209
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-209
| A |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
|
|
| 857-209
| 0 |
Cambridge |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2012-10-06 |
|
| 857-209
| 1 |
Cambridge |
MA |
CMBSMA01GT4 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2009-11-11 |
|
| 857-209
| 2 |
Cambridge |
MA |
BSTNMACOVMD |
4084 PAETEC COMMUNICATIONS, INC. - MA |
128 |
|
2010-07-18 |
|
| 857-209
| 3 |
Cambridge |
MA |
CMBRMAWA0MD |
4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC |
128 |
|
2010-08-29 |
|
| 857-209
| 4 |
Cambridge |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2010-09-25 |
|
| 857-209
| 5 |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
|
|
| 857-209
| 6 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2009-12-13 |
|
| 857-209
| 7 |
Cambridge |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2022-11-18 |
|
| 857-209
| 8 |
Cambridge |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-03-19 |
|
| 857-209
| 9 |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2005-10-07 |
|
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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