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 |
| 603-758
| 3 |
Hampton |
NH |
|
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2013-08-30 |
|
| 603-758
| 4 |
Hampton |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2002-09-19 |
|
| 603-758
| 5 |
Hampton |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2009-12-11 |
|
| 603-758
| 6 |
Hampton |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-758
| 7 |
Hampton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2010-08-19 |
|
| 603-758
| 8 |
Hampton |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-07-28 |
|
| 603-758
| 9 |
Hampton |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-03-26 |
|
| 603-759
| A |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-760
| A |
Seabrook |
NH |
DOVRNHTHXEX |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
|
|
| 603-760
| 0 |
Seabrook |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2002-09-19 |
|
| 603-760
| 1 |
Seabrook |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-04-18 |
|
| 603-760
| 2 |
Seabrook |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2002-08-05 |
|
| 603-760
| 3 |
Seabrook |
NH |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2002-11-15 |
|
| 603-760
| 4 |
Seabrook |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2022-12-15 |
|
| 603-760
| 5 |
Seabrook |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2002-11-23 |
|
| 603-760
| 6 |
Seabrook |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2008-03-31 |
|
| 603-760
| 7 |
Seabrook |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-07 |
|
| 603-760
| 8 |
Seabrook |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2010-08-20 |
|
| 603-760
| 9 |
Seabrook |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-05-14 |
|
| 603-761
| A |
Littleton |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-761
| 0 |
Littleton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-761
| 1 |
Littleton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-761
| 2 |
Littleton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-761
| 3 |
Littleton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-761
| 4 |
Littleton |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-07-24 |
|
| 603-761
| 6 |
Littleton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-761
| 7 |
Littleton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-761
| 8 |
Littleton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-761
| 9 |
Littleton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-762
| A |
Keene |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-762
| 0 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-762
| 1 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-762
| 2 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-762
| 3 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-762
| 4 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-762
| 5 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-762
| 6 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-10-27 |
|
| 603-762
| 7 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-04-02 |
|
| 603-762
| 8 |
Keene |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2010-01-21 |
|
| 603-762
| 9 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2011-06-21 |
|
| 603-763
| A |
Sunapee |
NH |
SUNPNHMCRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-763
| 0 |
Sunapee |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-763
| 1 |
Sunapee |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2006-10-31 |
|
| 603-763
| 2 |
Sunapee |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-763
| 3 |
Sunapee |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-763
| 4 |
Sunapee |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-763
| 5 |
Sunapee |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-763
| 6 |
Sunapee |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2024-12-28 |
|
| 603-763
| 7 |
Sunapee |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-08-30 |
|
| 603-763
| 8 |
Sunapee |
NH |
|
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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