Local Calling Guide
Area code/prefix search
Boston, MA
<< 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 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-238
| 3 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2008-01-05 |
|
| 857-238
| 4 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2008-01-05 |
|
| 857-238
| 5 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2008-01-05 |
|
| 857-238
| 6 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2008-01-05 |
|
| 857-238
| 7 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2008-01-05 |
|
| 857-238
| 8 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2008-01-05 |
|
| 857-238
| 9 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2008-01-05 |
|
| 857-239
| A |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
| 857-239
| 0 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2010-06-19 |
|
| 857-239
| 1 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2010-03-01 |
|
| 857-239
| 2 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2010-03-01 |
|
| 857-239
| 3 |
BSTNMABODS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2010-06-15 |
|
| 857-239
| 4 |
BSTNMABODS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2010-06-15 |
|
| 857-239
| 5 |
|
829J PAETEC ITEL, LLC |
128 |
|
2010-06-09 |
|
| 857-239
| 6 |
BSTNMABODS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2010-06-15 |
|
| 857-239
| 7 |
|
829J PAETEC ITEL, LLC |
128 |
|
2010-03-24 |
|
| 857-239
| 8 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2010-09-22 |
|
| 857-239
| 9 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2010-09-22 |
|
| 857-241
| A |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
|
|
| 857-241
| 0 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-04-07 |
|
| 857-241
| 1 |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2007-06-08 |
|
| 857-241
| 2 |
|
829J PAETEC ITEL, LLC |
128 |
|
2007-09-28 |
|
| 857-241
| 3 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2006-12-18 |
|
| 857-241
| 4 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2006-12-18 |
|
| 857-241
| 5 |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2007-06-08 |
|
| 857-241
| 6 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-10-03 |
|
| 857-241
| 7 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-11-12 |
|
| 857-241
| 8 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-04-19 |
|
| 857-241
| 9 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-04-19 |
|
| 857-243
| A |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
| 857-243
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2011-07-18 |
|
| 857-243
| 1 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2010-06-19 |
|
| 857-243
| 2 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2009-12-27 |
|
| 857-243
| 3 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2010-06-19 |
|
| 857-243
| 4 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2010-06-19 |
|
| 857-243
| 5 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2010-06-19 |
|
| 857-243
| 6 |
|
829J PAETEC ITEL, LLC |
128 |
|
2009-12-29 |
|
| 857-243
| 7 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2010-06-19 |
|
| 857-243
| 8 |
CMBRMAMQDS3 |
316E YMAX COMMUNICATIONS CORP. - MA |
128 |
|
2010-05-03 |
|
| 857-243
| 9 |
CMBRMAMQDS3 |
316E YMAX COMMUNICATIONS CORP. - MA |
128 |
|
2010-05-03 |
|
| 857-244
| A |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 857-244
| 0 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2008-08-15 |
|
| 857-244
| 1 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2008-12-07 |
|
| 857-244
| 2 |
|
829J PAETEC ITEL, LLC |
128 |
|
2009-01-05 |
|
| 857-244
| 3 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2009-07-20 |
|
| 857-244
| 4 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2009-07-20 |
|
| 857-244
| 5 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2009-07-06 |
|
| 857-244
| 6 |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2009-05-15 |
|
| 857-244
| 7 |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2024-09-11 |
|
| 857-244
| 8 |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2025-02-06 |
|
<< 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 >>
Last updated: Tue, 16 Jun 2026 00:09:45 UTC
Sponsored by: VoIP.ms
Like this site? We accept donations via PayPal.