Local Calling Guide
Area code/prefix search
Durham, NH
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-295
| A |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-389
| A |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-389
| 0 |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-03-26 |
|
| 603-389
| 1 |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-02-18 |
|
| 603-389
| 2 |
|
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2007-07-23 |
|
| 603-389
| 3 |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2006-08-22 |
|
| 603-389
| 4 |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-389
| 5 |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-389
| 6 |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2010-09-27 |
|
| 603-389
| 7 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2015-11-15 |
|
| 603-389
| 8 |
|
314C IDT AMERICA, CORP. - NH |
122 |
|
2008-04-18 |
|
| 603-389
| 9 |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-09-01 |
|
| 603-397
| A |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-397
| 0 |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-09-10 |
|
| 603-397
| 1 |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-05-29 |
|
| 603-397
| 2 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-03-20 |
|
| 603-397
| 3 |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-397
| 4 |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-10 |
|
| 603-397
| 5 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-397
| 7 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-12-03 |
|
| 603-397
| 8 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-10-12 |
|
| 603-397
| 9 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-11-03 |
|
| 603-590
| A |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-590
| 0 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-590
| 1 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-590
| 2 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-590
| 4 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-590
| 5 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-590
| 6 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-590
| 7 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-590
| 8 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-590
| 9 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-815
| A |
MNCHNHCOX1Y |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
|
|
| 603-815
| 0 |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2008-02-11 |
|
| 603-815
| 1 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2021-08-23 |
|
| 603-815
| 2 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2017-07-11 |
|
| 603-815
| 4 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2015-01-12 |
|
| 603-815
| 7 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2025-08-25 |
|
| 603-815
| 8 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-09-19 |
|
| 603-815
| 9 |
|
073H TELNYX LLC |
122 |
|
2022-11-07 |
|
| 603-862
| A |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-868
| A |
DRHMNHMCRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
Sponsored by: VoIP.ms
Like this site? We accept donations via PayPal.