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 |
| 603-671
| 0 |
Franklin |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2002-12-04 |
|
| 603-671
| 1 |
Franklin |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-01-14 |
|
| 603-671
| 2 |
Franklin |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-09-10 |
|
| 603-671
| 3 |
Franklin |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-671
| 4 |
Franklin |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-10 |
|
| 603-671
| 5 |
Franklin |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2004-11-13 |
|
| 603-671
| 7 |
Franklin |
NH |
ROCHNHWE4MD |
314C IDT AMERICA, CORP. - NH |
122 |
|
2008-04-18 |
|
| 603-671
| 8 |
Franklin |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2006-10-30 |
|
| 603-671
| 9 |
Franklin |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-672
| A |
Milford |
NH |
MLFRNHSODS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-673
| A |
Milford |
NH |
MLFRNHSODS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-674
| A |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2024-02-09 |
|
| 603-674
| 0 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 1 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 2 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 3 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 4 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 5 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 6 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 7 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 8 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 9 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-675
| A |
Plainfield |
NH |
WNDSVTPI675 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-675
| 2 |
Plainfield |
NH |
WNDSVTPI675 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-675
| 5 |
Plainfield |
NH |
WNDSVTPI675 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-675
| 6 |
Plainfield |
NH |
WNDSVTPI675 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-675
| 9 |
Plainfield |
NH |
WNDSVTPI675 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-676
| A |
Hanover |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 0 |
Hanover |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 1 |
Hanover |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 2 |
Hanover |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 3 |
Hanover |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 4 |
Hanover |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 5 |
Hanover |
NH |
MNCHNHCOA02 |
7421 AT&T - LOCAL |
122 |
|
2006-09-30 |
|
| 603-676
| 6 |
Hanover |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-11-01 |
|
| 603-676
| 7 |
Hanover |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-676
| 8 |
Hanover |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-05-01 |
|
| 603-676
| 9 |
Hanover |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-09-16 |
|
| 603-677
| A |
Meredith |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-677
| 0 |
Meredith |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2002-09-19 |
|
| 603-677
| 1 |
Meredith |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-05-27 |
|
| 603-677
| 2 |
Meredith |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2003-04-07 |
|
| 603-677
| 3 |
Meredith |
NH |
|
8281 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - SD |
122 |
|
2001-03-30 |
|
| 603-677
| 4 |
Meredith |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2004-12-13 |
|
| 603-677
| 5 |
Meredith |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-01-24 |
|
| 603-677
| 6 |
Meredith |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-08-01 |
|
| 603-677
| 7 |
Meredith |
NH |
ROCHNHWE4MD |
314C IDT AMERICA, CORP. - NH |
122 |
|
2008-04-18 |
|
| 603-677
| 8 |
Meredith |
NH |
|
8281 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - SD |
122 |
|
2003-10-07 |
|
| 603-677
| 9 |
Meredith |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-678
| A |
Lebanon |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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