Local Calling Guide
Area code/prefix search
Portsmouth, NH
<< 1 2 3 4 5 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-368
| 5 |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2018-02-26 |
|
| 603-368
| 6 |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2019-06-21 |
|
| 603-368
| 7 |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2019-01-31 |
|
| 603-368
| 8 |
|
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2019-08-30 |
|
| 603-368
| 9 |
|
637E ONVOY, LLC - NH |
122 |
|
2021-08-02 |
|
| 603-373
| A |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-373
| 0 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2001-01-01 |
|
| 603-373
| 1 |
|
829J PAETEC ITEL, LLC |
122 |
|
2004-11-01 |
|
| 603-373
| 2 |
|
7421 AT&T - LOCAL |
122 |
|
2001-07-01 |
|
| 603-373
| 3 |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-27 |
|
| 603-373
| 4 |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2004-04-18 |
|
| 603-373
| 5 |
|
4053 CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLC |
122 |
|
|
|
| 603-373
| 6 |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-373
| 7 |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-08-05 |
|
| 603-373
| 8 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2003-02-04 |
|
| 603-373
| 9 |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-07-03 |
|
| 603-380
| A |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 0 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 3 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 5 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 7 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2015-10-09 |
|
| 603-380
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2010-09-11 |
|
| 603-380
| 9 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2015-08-13 |
|
| 603-422
| A |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-422
| 0 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-422
| 1 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-422
| 2 |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2011-03-29 |
|
| 603-422
| 3 |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2011-03-29 |
|
| 603-422
| 4 |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2011-11-22 |
|
| 603-422
| 5 |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2011-11-22 |
|
| 603-422
| 6 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-422
| 7 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-422
| 8 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-422
| 9 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-427
| A |
PTMONHISPS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-427
| 0 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-427
| 1 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-427
| 2 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-427
| 3 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-427
| 4 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-427
| 5 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-427
| 6 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-427
| 7 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-427
| 8 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2011-07-13 |
|
| 603-427
| 9 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2010-07-09 |
|
| 603-430
| A |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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