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 |
| 617-665
| 0 |
Cambridge |
MA |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-665
| 1 |
Cambridge |
MA |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-665
| 2 |
Cambridge |
MA |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-665
| 3 |
Cambridge |
MA |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-665
| 4 |
Cambridge |
MA |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-665
| 5 |
Cambridge |
MA |
|
318J COMCAST IP PHONE, LLC |
128 |
|
2016-12-10 |
|
| 617-665
| 6 |
Cambridge |
MA |
|
073H TELNYX LLC |
128 |
|
2017-03-10 |
|
| 617-665
| 7 |
Cambridge |
MA |
|
892D ONVOY, LLC - MA |
128 |
|
2019-12-06 |
|
| 617-665
| 8 |
Cambridge |
MA |
|
892D ONVOY, LLC - MA |
128 |
|
2021-08-14 |
|
| 617-665
| 9 |
Cambridge |
MA |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-666
| A |
Somerville |
MA |
SOVLMACEDS0 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-667
| A |
Brookline |
MA |
BKLIMAMADS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-668
| A |
Watertown |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
|
|
| 617-668
| 1 |
Watertown |
MA |
|
892D ONVOY, LLC - MA |
128 |
|
2020-06-21 |
|
| 617-668
| 2 |
Watertown |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2020-02-13 |
|
| 617-668
| 3 |
Watertown |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2010-06-03 |
|
| 617-668
| 4 |
Watertown |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2015-09-14 |
|
| 617-668
| 5 |
Watertown |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2016-02-15 |
|
| 617-668
| 6 |
Watertown |
MA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
|
|
| 617-668
| 7 |
Watertown |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2019-11-21 |
|
| 617-668
| 8 |
Watertown |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2019-11-21 |
|
| 617-668
| 9 |
Watertown |
MA |
|
145J TERRA NOVA TELECOM INC. |
128 |
|
2022-05-05 |
|
| 617-669
| A |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 617-670
| A |
Boston |
MA |
STHMMAGBGT0 |
7619 RCN TELECOM SERVICES, INC. - MA |
128 |
|
|
|
| 617-670
| 0 |
Boston |
MA |
|
7619 RCN TELECOM SERVICES, INC. - MA |
128 |
|
|
|
| 617-670
| 1 |
Boston |
MA |
|
7619 RCN TELECOM SERVICES, INC. - MA |
128 |
|
|
|
| 617-670
| 2 |
Boston |
MA |
|
7619 RCN TELECOM SERVICES, INC. - MA |
128 |
|
|
|
| 617-670
| 3 |
Boston |
MA |
|
7619 RCN TELECOM SERVICES, INC. - MA |
128 |
|
|
|
| 617-670
| 4 |
Boston |
MA |
|
7619 RCN TELECOM SERVICES, INC. - MA |
128 |
|
|
|
| 617-670
| 5 |
Boston |
MA |
|
7619 RCN TELECOM SERVICES, INC. - MA |
128 |
|
|
|
| 617-670
| 6 |
Boston |
MA |
|
7619 RCN TELECOM SERVICES, INC. - MA |
128 |
|
|
|
| 617-670
| 7 |
Boston |
MA |
|
7619 RCN TELECOM SERVICES, INC. - MA |
128 |
|
|
|
| 617-670
| 8 |
Boston |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2006-07-13 |
|
| 617-670
| 9 |
Boston |
MA |
|
7619 RCN TELECOM SERVICES, INC. - MA |
128 |
|
|
|
| 617-671
| A |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 617-671
| 0 |
Boston |
MA |
|
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2005-01-07 |
|
| 617-671
| 1 |
Boston |
MA |
|
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2005-01-07 |
|
| 617-671
| 3 |
Boston |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2005-03-24 |
|
| 617-671
| 4 |
Boston |
MA |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2005-03-28 |
|
| 617-671
| 5 |
Boston |
MA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2005-02-04 |
|
| 617-671
| 6 |
Boston |
MA |
|
145J TERRA NOVA TELECOM INC. |
128 |
|
2024-05-09 |
|
| 617-671
| 7 |
Boston |
MA |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2005-01-02 |
|
| 617-671
| 8 |
Boston |
MA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2005-02-04 |
|
| 617-671
| 9 |
Boston |
MA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2005-02-04 |
|
| 617-672
| A |
Boston |
MA |
BSTNMACODS0 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 617-672
| 0 |
Boston |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2008-06-29 |
|
| 617-672
| 1 |
Boston |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2008-06-29 |
|
| 617-672
| 2 |
Boston |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2008-06-29 |
|
| 617-672
| 3 |
Boston |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2008-06-29 |
|
| 617-672
| 4 |
Boston |
MA |
|
7135 TC SYSTEMS, INC. |
128 |
|
2008-06-29 |
|
<< 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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
Sponsored by: VoIP.ms
Like this site? We accept donations via PayPal.