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 |
| 603-841
| 7 |
Somersworth |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2006-11-30 |
|
| 603-841
| 8 |
Somersworth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2015-01-20 |
|
| 603-841
| 9 |
Somersworth |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
2003-07-26 |
|
| 603-842
| A |
Dover |
NH |
MNCHNHCO45Z |
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-842
| 0 |
Dover |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2004-10-18 |
|
| 603-842
| 1 |
Dover |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2020-12-05 |
|
| 603-842
| 2 |
Dover |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2005-03-27 |
|
| 603-842
| 3 |
Dover |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2005-10-16 |
|
| 603-842
| 4 |
Dover |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2007-05-21 |
|
| 603-842
| 5 |
Dover |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2007-05-21 |
|
| 603-842
| 6 |
Dover |
NH |
MNCHNHCO45Z |
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-842
| 7 |
Dover |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-06-12 |
|
| 603-842
| 8 |
Dover |
NH |
MNCHNHCO45Z |
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-842
| 9 |
Dover |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2011-07-14 |
|
| 603-843
| A |
Newport |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-843
| 0 |
Newport |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-843
| 1 |
Newport |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-843
| 2 |
Newport |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-843
| 3 |
Newport |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-843
| 4 |
Newport |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-843
| 5 |
Newport |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-08-28 |
|
| 603-843
| 6 |
Newport |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
2006-06-21 |
|
| 603-843
| 7 |
Newport |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2011-04-01 |
|
| 603-843
| 8 |
Newport |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2012-05-11 |
|
| 603-843
| 9 |
Newport |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-845
| A |
Derry |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-845
| 0 |
Derry |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-845
| 1 |
Derry |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2004-12-14 |
|
| 603-845
| 2 |
Derry |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-845
| 3 |
Derry |
NH |
MNCHNHCO45Z |
829J PAETEC ITEL, LLC |
122 |
|
2005-06-23 |
|
| 603-845
| 4 |
Derry |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-845
| 5 |
Derry |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-01-14 |
|
| 603-845
| 6 |
Derry |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-01-02 |
|
| 603-845
| 7 |
Derry |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-04-24 |
|
| 603-845
| 8 |
Derry |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-02-02 |
|
| 603-845
| 9 |
Derry |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-06-01 |
|
| 603-846
| A |
Twin Mountain |
NH |
TWMTNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-846
| 2 |
Twin Mountain |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-28 |
|
| 603-846
| 5 |
Twin Mountain |
NH |
TWMTNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-846
| 6 |
Twin Mountain |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-05 |
|
| 603-846
| 8 |
Twin Mountain |
NH |
MNCHNHCO42Z |
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2012-10-02 |
|
| 603-846
| 9 |
Twin Mountain |
NH |
TWMTNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-847
| A |
Sullivan |
NH |
SLLVNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-847
| 0 |
Sullivan |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
2001-03-26 |
|
| 603-847
| 3 |
Sullivan |
NH |
SLLVNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-847
| 4 |
Sullivan |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-20 |
|
| 603-847
| 5 |
Sullivan |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2020-09-27 |
|
| 603-847
| 6 |
Sullivan |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2020-09-27 |
|
| 603-847
| 7 |
Sullivan |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-05 |
|
| 603-847
| 9 |
Sullivan |
NH |
SLLVNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
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Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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