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 74 75 76 77 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-397
| 0 |
Roxbury |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2022-09-30 |
|
| 857-397
| 1 |
Roxbury |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2022-09-30 |
|
| 857-397
| 2 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-10-21 |
|
| 857-397
| 3 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-10-21 |
|
| 857-397
| 4 |
Roxbury |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-07-23 |
|
| 857-397
| 5 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-09-15 |
|
| 857-397
| 6 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-09-15 |
|
| 857-397
| 7 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-09-29 |
|
| 857-397
| 8 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-09-29 |
|
| 857-397
| 9 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-09-29 |
|
| 857-398
| A |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-398
| 0 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-07-22 |
|
| 857-398
| 1 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-07-22 |
|
| 857-398
| 2 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-07-22 |
|
| 857-398
| 3 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-07-22 |
|
| 857-398
| 4 |
Roxbury |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-07-08 |
|
| 857-398
| 5 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2023-07-22 |
|
| 857-398
| 6 |
Roxbury |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-10-22 |
|
| 857-398
| 7 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-11-25 |
|
| 857-398
| 8 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-11-25 |
|
| 857-398
| 9 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-11-25 |
|
| 857-399
| A |
Roxbury |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 857-399
| 0 |
Roxbury |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 857-399
| 2 |
Roxbury |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 857-399
| 3 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2008-07-17 |
|
| 857-399
| 4 |
Roxbury |
MA |
|
515J IP HORIZON LLC |
128 |
|
|
|
| 857-399
| 5 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2008-07-17 |
|
| 857-399
| 6 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2008-07-24 |
|
| 857-399
| 7 |
Roxbury |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2008-07-24 |
|
| 857-399
| 8 |
Roxbury |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2010-03-15 |
|
| 857-399
| 9 |
Roxbury |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-06-03 |
|
| 857-400
| A |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 857-400
| 0 |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-01-02 |
|
| 857-400
| 1 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-05-01 |
|
| 857-400
| 2 |
Boston |
MA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2011-11-16 |
|
| 857-400
| 3 |
Boston |
MA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2011-04-22 |
|
| 857-400
| 4 |
Boston |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2011-12-27 |
|
| 857-400
| 5 |
Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2011-04-12 |
|
| 857-400
| 6 |
Boston |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2011-12-27 |
|
| 857-400
| 7 |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-06-03 |
|
| 857-400
| 8 |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-06-03 |
|
| 857-400
| 9 |
Boston |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-03-19 |
|
| 857-401
| A |
South Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
|
|
| 857-401
| 0 |
South Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
|
|
| 857-401
| 1 |
South Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
|
|
| 857-401
| 2 |
South Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
|
|
| 857-401
| 3 |
South Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
|
|
| 857-401
| 4 |
South Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
|
|
| 857-401
| 5 |
South Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
|
|
| 857-401
| 6 |
South Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
|
|
<< 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 74 75 76 77 >>
Last updated: Wed, 04 Mar 2026 03:00:52 UTC
Sponsored by: Execulink Telecom
Like this site? We accept donations via PayPal.