Local Calling Guide
Area code/prefix search
Somersworth, NH
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-405
| A |
DOVRNHTHXEX |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
|
|
| 603-405
| 0 |
|
314C IDT AMERICA, CORP. - NH |
122 |
|
2020-12-24 |
|
| 603-405
| 1 |
|
073H TELNYX LLC |
122 |
|
2024-07-04 |
|
| 603-405
| 2 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2017-02-16 |
|
| 603-405
| 6 |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2016-06-17 |
|
| 603-405
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2017-05-04 |
|
| 603-692
| A |
SMRSNHHIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 0 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 1 |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-08-10 |
|
| 603-692
| 2 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 3 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 4 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 5 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 6 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 7 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2013-04-08 |
|
| 603-692
| 9 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-841
| A |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-841
| 0 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2009-01-05 |
|
| 603-841
| 1 |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-05-01 |
|
| 603-841
| 2 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2004-07-30 |
|
| 603-841
| 3 |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-05 |
|
| 603-841
| 4 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2015-04-10 |
|
| 603-841
| 5 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-841
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2011-08-29 |
|
| 603-841
| 7 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2006-11-30 |
|
| 603-841
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2015-01-20 |
|
| 603-841
| 9 |
|
829J PAETEC ITEL, LLC |
122 |
|
2003-07-26 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
Sponsored by: FiberConX Communications Ltd.
Like this site? We accept donations via PayPal.