Local Calling Guide
Area code/prefix search
NPA: 603
[Rate centres in NPA 603]
[Dial plan for NPA 603]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-384
| 8 |
Goffstown |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-12-15 |
|
| 603-384
| 9 |
Goffstown |
NH |
|
073H TELNYX LLC |
122 |
|
2023-02-03 |
|
| 603-385
| A |
Manchester |
NH |
MNCHNHCODS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-386
| A |
Salem |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-386
| 0 |
Salem |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-386
| 1 |
Salem |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-09-20 |
|
| 603-386
| 2 |
Salem |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-386
| 3 |
Salem |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-386
| 5 |
Salem |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-386
| 6 |
Salem |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-386
| 7 |
Salem |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-386
| 8 |
Salem |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-11-07 |
|
| 603-386
| 9 |
Salem |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-387
| A |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-388
| A |
Colebrook |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-388
| 0 |
Colebrook |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-388
| 1 |
Colebrook |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-388
| 2 |
Colebrook |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-388
| 4 |
Colebrook |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-389
| A |
Durham |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-389
| 0 |
Durham |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-03-26 |
|
| 603-389
| 1 |
Durham |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-02-18 |
|
| 603-389
| 2 |
Durham |
NH |
|
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2007-07-23 |
|
| 603-389
| 3 |
Durham |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2006-08-22 |
|
| 603-389
| 4 |
Durham |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-389
| 5 |
Durham |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-389
| 6 |
Durham |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2010-09-27 |
|
| 603-389
| 7 |
Durham |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2015-11-15 |
|
| 603-389
| 8 |
Durham |
NH |
|
314C IDT AMERICA, CORP. - NH |
122 |
|
2008-04-18 |
|
| 603-389
| 9 |
Durham |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-09-01 |
|
| 603-390
| A |
Jefferson |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-390
| 2 |
Jefferson |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-11-11 |
|
| 603-390
| 6 |
Jefferson |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2024-10-11 |
|
| 603-390
| 9 |
Jefferson |
NH |
|
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-391
| A |
Manchester |
NH |
MNCHNHCOX1Y |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
|
|
| 603-391
| 0 |
Manchester |
NH |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
|
|
| 603-391
| 1 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-09-29 |
|
| 603-391
| 2 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-03-04 |
|
| 603-391
| 3 |
Manchester |
NH |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2004-01-18 |
|
| 603-391
| 4 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-05-02 |
|
| 603-391
| 5 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-06-02 |
|
| 603-391
| 6 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-08-01 |
|
| 603-391
| 7 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-08-01 |
|
| 603-391
| 8 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-01-02 |
|
| 603-391
| 9 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-01-02 |
|
| 603-392
| A |
Winchester |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-392
| 0 |
Winchester |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2007-01-29 |
|
| 603-392
| 1 |
Winchester |
NH |
|
073H TELNYX LLC |
122 |
|
2024-07-04 |
|
| 603-392
| 2 |
Winchester |
NH |
|
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2012-10-02 |
|
| 603-392
| 7 |
Winchester |
NH |
|
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
2016-04-08 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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