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 |
| 603-726
| 6 |
Campton |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-04-01 |
|
| 603-726
| 7 |
Campton |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-726
| 8 |
Campton |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-726
| 9 |
Campton |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-727
| A |
Lebanon |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-727
| 0 |
Lebanon |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-727
| 1 |
Lebanon |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-08-27 |
|
| 603-727
| 2 |
Lebanon |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-08-02 |
|
| 603-727
| 3 |
Lebanon |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-727
| 4 |
Lebanon |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-09-15 |
|
| 603-727
| 5 |
Lebanon |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-05-01 |
|
| 603-727
| 6 |
Lebanon |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-11-15 |
|
| 603-727
| 7 |
Lebanon |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2006-08-24 |
|
| 603-727
| 8 |
Lebanon |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-02-02 |
|
| 603-727
| 9 |
Lebanon |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2007-01-30 |
|
| 603-728
| A |
North Woodstock |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-728
| 1 |
North Woodstock |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-09-15 |
|
| 603-728
| 2 |
North Woodstock |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-19 |
|
| 603-728
| 3 |
North Woodstock |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2006-02-24 |
|
| 603-728
| 4 |
North Woodstock |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-728
| 5 |
North Woodstock |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-09-01 |
|
| 603-728
| 7 |
North Woodstock |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-04-04 |
|
| 603-728
| 8 |
North Woodstock |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-09-20 |
|
| 603-728
| 9 |
North Woodstock |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-11-03 |
|
| 603-729
| A |
Tilton |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-729
| 0 |
Tilton |
NH |
|
314C IDT AMERICA, CORP. - NH |
122 |
|
2008-04-18 |
|
| 603-729
| 1 |
Tilton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2009-12-30 |
|
| 603-729
| 2 |
Tilton |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2022-08-04 |
|
| 603-729
| 3 |
Tilton |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-05 |
|
| 603-729
| 4 |
Tilton |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-20 |
|
| 603-729
| 5 |
Tilton |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2004-01-07 |
|
| 603-729
| 6 |
Tilton |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2010-08-11 |
|
| 603-729
| 7 |
Tilton |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2012-09-22 |
|
| 603-729
| 8 |
Tilton |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-02-07 |
|
| 603-729
| 9 |
Tilton |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2012-10-11 |
|
| 603-730
| A |
North Conway |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-730
| 0 |
North Conway |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-06-06 |
|
| 603-730
| 1 |
North Conway |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2002-12-04 |
|
| 603-730
| 2 |
North Conway |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-08-01 |
|
| 603-730
| 3 |
North Conway |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2022-12-23 |
|
| 603-730
| 4 |
North Conway |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-10-01 |
|
| 603-730
| 5 |
North Conway |
NH |
|
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2012-10-02 |
|
| 603-730
| 6 |
North Conway |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2023-08-20 |
|
| 603-730
| 7 |
North Conway |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-12-17 |
|
| 603-730
| 8 |
North Conway |
NH |
|
939H COMMIO, LLC |
122 |
|
2022-11-05 |
|
| 603-730
| 9 |
North Conway |
NH |
|
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-731
| A |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-732
| A |
Milford |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-732
| 0 |
Milford |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-05-24 |
|
| 603-732
| 1 |
Milford |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-05-29 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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