Local Calling Guide
Area code/prefix search
Cambridge, MA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 617-401
| 7 |
|
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2006-06-17 |
|
| 617-401
| 8 |
|
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2006-06-17 |
|
| 617-401
| 9 |
|
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2014-01-03 |
|
| 617-417
| A |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
|
|
| 617-417
| 0 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
|
|
| 617-417
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
|
|
| 617-417
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
|
|
| 617-417
| 3 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
|
|
| 617-417
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
|
|
| 617-417
| 5 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
|
|
| 617-417
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
|
|
| 617-417
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2002-12-08 |
|
| 617-417
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2004-08-30 |
|
| 617-417
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2002-12-08 |
|
| 617-430
| A |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-430
| 0 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-430
| 1 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-430
| 2 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-430
| 3 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-430
| 4 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-430
| 5 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-430
| 6 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-430
| 7 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-430
| 8 |
|
939H COMMIO, LLC |
128 |
|
2021-07-15 |
|
| 617-430
| 9 |
|
939H COMMIO, LLC |
128 |
|
2021-07-15 |
|
| 617-441
| A |
CMBRMAWADS2 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-444
| A |
CMBRMABEDS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-444
| 0 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-444
| 1 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-444
| 2 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-444
| 3 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-444
| 4 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-444
| 5 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-444
| 6 |
|
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-11-06 |
|
| 617-444
| 7 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2022-11-18 |
|
| 617-444
| 8 |
|
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-444
| 9 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2009-11-19 |
|
| 617-452
| A |
CMBRMABEDS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 617-453
| A |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-453
| 0 |
|
515J IP HORIZON LLC |
128 |
|
|
|
| 617-453
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2002-11-03 |
|
| 617-453
| 2 |
|
515J IP HORIZON LLC |
128 |
|
|
|
| 617-453
| 3 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-453
| 4 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-453
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2003-06-18 |
|
| 617-453
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2008-02-21 |
|
| 617-453
| 7 |
|
145J TERRA NOVA TELECOM INC. |
128 |
|
2024-09-09 |
|
| 617-453
| 8 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-03-19 |
|
| 617-453
| 9 |
|
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 617-460
| A |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
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|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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