Local Calling Guide
Area code/prefix search
NPA: 617
[Rate centres in NPA 617]
[Dial plan for NPA 617]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 617-396
| 6 |
Brookline |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-09-01 |
|
| 617-396
| 7 |
Brookline |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2010-11-15 |
|
| 617-396
| 8 |
Brookline |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2012-09-19 |
|
| 617-396
| 9 |
Brookline |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-397
| A |
Cambridge |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-397
| 0 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2021-11-01 |
|
| 617-397
| 1 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-02-23 |
|
| 617-397
| 2 |
Cambridge |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-397
| 3 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-12-06 |
|
| 617-397
| 4 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-12-06 |
|
| 617-397
| 5 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-12-06 |
|
| 617-397
| 6 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-11-06 |
|
| 617-397
| 7 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-12-06 |
|
| 617-397
| 8 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2019-10-01 |
|
| 617-398
| A |
Charlestown |
MA |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-398
| 0 |
Charlestown |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2008-12-06 |
|
| 617-398
| 1 |
Charlestown |
MA |
|
892D ONVOY, LLC - MA |
128 |
|
2007-06-04 |
|
| 617-398
| 2 |
Charlestown |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2007-10-24 |
|
| 617-398
| 3 |
Charlestown |
MA |
CMBRMAMQDS3 |
316E YMAX COMMUNICATIONS CORP. - MA |
128 |
|
2008-03-08 |
|
| 617-398
| 4 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2016-02-03 |
|
| 617-398
| 5 |
Charlestown |
MA |
CHTWMABF2MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
128 |
|
2005-04-10 |
|
| 617-398
| 6 |
Charlestown |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2007-02-18 |
|
| 617-398
| 7 |
Charlestown |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2010-02-18 |
|
| 617-398
| 8 |
Charlestown |
MA |
|
515J IP HORIZON LLC |
128 |
|
2013-04-08 |
|
| 617-399
| A |
Boston |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
|
|
| 617-400
| A |
Roxbury |
MA |
FKLNMACNDS0 |
6083 NORFOLK COUNTY INTERNET, INC. |
128 |
|
|
|
| 617-401
| A |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
|
|
| 617-401
| 0 |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2014-02-07 |
|
| 617-401
| 1 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-09-14 |
|
| 617-401
| 2 |
Cambridge |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2006-07-06 |
|
| 617-401
| 3 |
Cambridge |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2006-07-06 |
|
| 617-401
| 4 |
Cambridge |
MA |
CHTWMABF2MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
128 |
|
2007-08-05 |
|
| 617-401
| 5 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-09-14 |
|
| 617-401
| 6 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-12-17 |
|
| 617-401
| 7 |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2006-06-17 |
|
| 617-401
| 8 |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2006-06-17 |
|
| 617-401
| 9 |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2014-01-03 |
|
| 617-402
| A |
Watertown |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
|
|
| 617-402
| 0 |
Watertown |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
|
|
| 617-402
| 1 |
Watertown |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2004-11-25 |
|
| 617-402
| 2 |
Watertown |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-402
| 3 |
Watertown |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
|
|
| 617-402
| 5 |
Watertown |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-09-21 |
|
| 617-402
| 6 |
Watertown |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2008-01-25 |
|
| 617-402
| 7 |
Watertown |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2007-04-20 |
|
| 617-402
| 8 |
Watertown |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2008-01-25 |
|
| 617-402
| 9 |
Watertown |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2024-12-06 |
|
| 617-403
| A |
Brighton |
MA |
BSTNMABLOMD |
9748 AMERICAN MESSAGING SERVICES, LLC |
128 |
|
|
|
| 617-404
| A |
Quincy |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
| 617-404
| 0 |
Quincy |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-02-11 |
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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