Local Calling Guide
Area code/prefix search
NPA: 857
[Rate centres in NPA 857]
[Dial plan for NPA 857]
NXX: 284
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-284
| A |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-284
| 0 |
Boston |
MA |
BSTPMALLDS1 |
4536 XO MASSACHUSETS, INC. |
128 |
|
2008-05-19 |
|
| 857-284
| 1 |
Boston |
MA |
BSTPMALLDS1 |
4536 XO MASSACHUSETS, INC. |
128 |
|
2008-05-19 |
|
| 857-284
| 2 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2008-03-07 |
|
| 857-284
| 3 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2008-03-07 |
|
| 857-284
| 4 |
Boston |
MA |
CHTWMABF2MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
128 |
|
2009-09-08 |
|
| 857-284
| 5 |
Boston |
MA |
BSTNMACOVMD |
4084 PAETEC COMMUNICATIONS, INC. - MA |
128 |
|
2009-09-29 |
|
| 857-284
| 6 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2008-11-23 |
|
| 857-284
| 7 |
Boston |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2010-09-21 |
|
| 857-284
| 8 |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-06-03 |
|
| 857-284
| 9 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2008-03-07 |
|
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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