Local Calling Guide
Area code/prefix search
NPA: 857
[Rate centres in NPA 857]
[Dial plan for NPA 857]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-309
| 9 |
Dorchester |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2015-06-19 |
|
| 857-310
| A |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-310
| 0 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-02-01 |
|
| 857-310
| 1 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-02-01 |
|
| 857-310
| 2 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-02-01 |
|
| 857-310
| 3 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-02-01 |
|
| 857-310
| 4 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-03-01 |
|
| 857-310
| 5 |
Boston |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2015-01-12 |
|
| 857-310
| 6 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-03-15 |
|
| 857-310
| 7 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-03-15 |
|
| 857-310
| 8 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-12-13 |
|
| 857-310
| 9 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-12-13 |
|
| 857-312
| A |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 857-312
| 0 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2008-12-01 |
|
| 857-312
| 1 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2008-12-01 |
|
| 857-312
| 2 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2008-12-01 |
|
| 857-312
| 3 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2008-12-01 |
|
| 857-312
| 4 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2008-12-01 |
|
| 857-312
| 5 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2008-12-01 |
|
| 857-312
| 6 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2008-12-01 |
|
| 857-312
| 7 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2008-12-01 |
|
| 857-312
| 8 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2008-12-01 |
|
| 857-312
| 9 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2008-12-01 |
|
| 857-313
| A |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-313
| 0 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-04-16 |
|
| 857-313
| 1 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-04-16 |
|
| 857-313
| 2 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-04-16 |
|
| 857-313
| 3 |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2013-01-27 |
|
| 857-313
| 4 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-04-16 |
|
| 857-313
| 5 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-04-16 |
|
| 857-313
| 6 |
Boston |
MA |
BSTNMACOVMD |
4084 PAETEC COMMUNICATIONS, INC. - MA |
128 |
|
2013-02-06 |
|
| 857-313
| 7 |
Boston |
MA |
BSTPMALLDS1 |
4536 XO MASSACHUSETS, INC. |
128 |
|
2014-02-11 |
|
| 857-313
| 8 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2012-12-21 |
|
| 857-313
| 9 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2012-12-21 |
|
| 857-314
| A |
Milton |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 857-314
| 0 |
Milton |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-03-30 |
|
| 857-314
| 1 |
Milton |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-03-30 |
|
| 857-314
| 2 |
Milton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2016-03-03 |
|
| 857-314
| 3 |
Milton |
MA |
SOVLMAAB5MD |
732H BARR TELL USA, INC. - MA |
128 |
|
2015-12-31 |
|
| 857-314
| 4 |
Milton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2016-03-03 |
|
| 857-314
| 5 |
Milton |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2016-04-11 |
|
| 857-314
| 6 |
Milton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2016-03-25 |
|
| 857-314
| 7 |
Milton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2016-03-25 |
|
| 857-314
| 8 |
Milton |
MA |
|
515J IP HORIZON LLC |
128 |
|
2015-04-03 |
|
| 857-314
| 9 |
Milton |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2016-04-11 |
|
| 857-315
| A |
Boston |
MA |
BSTPMALL5MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
128 |
|
|
|
| 857-315
| 0 |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-315
| 1 |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-315
| 2 |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-315
| 3 |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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