Local Calling Guide
Area code/prefix search
Waltham, MA
<< 1 2 3 4 5 6 7 8 9 10 11 12 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 781-314
| 8 |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2007-05-13 |
|
| 781-314
| 9 |
CHTWMABF2MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
128 |
|
2008-07-19 |
|
| 781-317
| A |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 781-317
| 0 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 781-317
| 1 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 781-317
| 2 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2021-11-14 |
|
| 781-317
| 3 |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-11-20 |
|
| 781-317
| 4 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 781-317
| 5 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 781-317
| 6 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2024-03-09 |
|
| 781-317
| 7 |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-11-20 |
|
| 781-317
| 8 |
SOVLMAAB6MD |
939H COMMIO, LLC |
128 |
|
2021-10-11 |
|
| 781-317
| 9 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 781-330
| A |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 781-330
| 0 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2009-02-09 |
|
| 781-330
| 1 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 781-330
| 2 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 781-330
| 3 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 781-330
| 4 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 781-330
| 5 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 781-330
| 6 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 781-330
| 7 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 781-330
| 8 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 781-330
| 9 |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
|
|
| 781-370
| A |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 781-373
| A |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
|
|
| 781-373
| 0 |
SOVLMAAB6MD |
939H COMMIO, LLC |
128 |
|
2021-10-11 |
|
| 781-373
| 1 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
|
|
| 781-373
| 2 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
|
|
| 781-373
| 3 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
|
|
| 781-373
| 4 |
|
829J PAETEC ITEL, LLC |
128 |
|
2008-02-18 |
|
| 781-373
| 5 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
|
|
| 781-373
| 6 |
|
829J PAETEC ITEL, LLC |
128 |
|
2008-07-30 |
|
| 781-373
| 7 |
|
829J PAETEC ITEL, LLC |
128 |
|
2008-07-30 |
|
| 781-373
| 8 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2005-12-04 |
|
| 781-373
| 9 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2012-06-17 |
|
| 781-386
| A |
WLHMMAWEDS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 781-386
| 0 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2013-03-25 |
|
| 781-386
| 1 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2013-03-25 |
|
| 781-386
| 2 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2013-03-25 |
|
| 781-386
| 3 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2013-03-25 |
|
| 781-386
| 4 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2013-03-25 |
|
| 781-386
| 5 |
|
829J PAETEC ITEL, LLC |
128 |
|
2013-03-08 |
|
| 781-386
| 6 |
WLHMMAWEDS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 781-386
| 7 |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2013-08-12 |
|
| 781-386
| 8 |
BSTPMALL5MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
128 |
|
2013-09-30 |
|
| 781-386
| 9 |
|
515J IP HORIZON LLC |
128 |
|
2013-04-04 |
|
| 781-392
| A |
WLHMMASPDS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 781-392
| 0 |
WLHMMASPDS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 781-392
| 1 |
WLHMMASPDS1 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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