Local Calling Guide
Area code/prefix search
NPA: 617
[Rate centres in NPA 617]
[Dial plan for NPA 617]
<< 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 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 617-520
| 6 |
Cambridge |
MA |
CMBRMAWADS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-520
| 7 |
Cambridge |
MA |
CMBRMAWADS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-520
| 8 |
Cambridge |
MA |
CMBRMAWADS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-520
| 9 |
Cambridge |
MA |
CMBRMAWADS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-521
| A |
Boston |
MA |
BSTNMAHADS9 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-522
| A |
Jamaica Plain |
MA |
RXBRMAWADS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-523
| A |
Boston |
MA |
BSTNMABODS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-524
| A |
Jamaica Plain |
MA |
RXBRMAWADS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-525
| A |
Brookline |
MA |
BKLIMAMADS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-526
| A |
Boston |
MA |
BSTNMAFRDS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-527
| A |
Newton |
MA |
NWTNMAWARP0 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-528
| A |
Cambridge |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-528
| 0 |
Cambridge |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2010-03-04 |
|
| 617-528
| 1 |
Cambridge |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-528
| 2 |
Cambridge |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-528
| 3 |
Cambridge |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-528
| 4 |
Cambridge |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-528
| 5 |
Cambridge |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-528
| 6 |
Cambridge |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-528
| 7 |
Cambridge |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-528
| 8 |
Cambridge |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2009-11-11 |
|
| 617-528
| 9 |
Cambridge |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2010-03-04 |
|
| 617-529
| A |
Saugus |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 617-530
| A |
Boston |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-530
| 0 |
Boston |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2004-03-02 |
|
| 617-530
| 1 |
Boston |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2014-08-22 |
|
| 617-530
| 2 |
Boston |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-530
| 4 |
Boston |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-530
| 5 |
Boston |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-530
| 6 |
Boston |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-530
| 7 |
Boston |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-530
| 8 |
Boston |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-530
| 9 |
Boston |
MA |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-531
| A |
Boston |
MA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
|
|
| 617-532
| A |
Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
|
|
| 617-533
| A |
Dorchester |
MA |
DRCHMAADRP0 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-533
| 0 |
Dorchester |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2020-08-26 |
|
| 617-533
| 1 |
Dorchester |
MA |
DRCHMAADRP0 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-533
| 2 |
Dorchester |
MA |
DRCHMAADRP0 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-533
| 3 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-07-08 |
|
| 617-533
| 4 |
Dorchester |
MA |
DRCHMAADRP0 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-533
| 5 |
Dorchester |
MA |
DRCHMAADRP0 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-533
| 6 |
Dorchester |
MA |
DRCHMAADRP0 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-533
| 7 |
Dorchester |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2006-11-14 |
|
| 617-533
| 8 |
Dorchester |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2006-11-14 |
|
| 617-533
| 9 |
Dorchester |
MA |
CHTWMABF2MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
128 |
|
2012-01-20 |
|
| 617-534
| A |
Boston |
MA |
BSTNMABEDS9 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-535
| A |
Boston |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
|
|
| 617-536
| A |
Boston |
MA |
BSTNMABEDS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-537
| A |
Quincy |
MA |
QNCYMAHADS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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