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 |
| 603-897
| 1 |
Nashua |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2022-06-02 |
|
| 603-897
| 2 |
Nashua |
NH |
NASHNHGRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-897
| 3 |
Nashua |
NH |
NASHNHGRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-897
| 4 |
Nashua |
NH |
NASHNHGRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-897
| 5 |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-09-20 |
|
| 603-897
| 6 |
Nashua |
NH |
NASHNHGRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-897
| 7 |
Nashua |
NH |
NASHNHGRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-897
| 8 |
Nashua |
NH |
NASHNHGRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-897
| 9 |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-07-03 |
|
| 603-898
| A |
Salem |
NH |
SALMNHNBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-899
| A |
Rindge |
NH |
RNDGNHCERS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-899
| 0 |
Rindge |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-09-10 |
|
| 603-899
| 1 |
Rindge |
NH |
RNDGNHCERS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-899
| 2 |
Rindge |
NH |
RNDGNHCERS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-899
| 3 |
Rindge |
NH |
RNDGNHCERS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-899
| 4 |
Rindge |
NH |
RNDGNHCERS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-899
| 5 |
Rindge |
NH |
RNDGNHCERS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-899
| 6 |
Rindge |
NH |
RNDGNHCERS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-899
| 7 |
Rindge |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-07 |
|
| 603-899
| 8 |
Rindge |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-09-15 |
|
| 603-899
| 9 |
Rindge |
NH |
RNDGNHCERS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-900
| A |
Newport |
NH |
MNCHNHCO26Z |
965H FRACTEL, LLC |
122 |
|
|
|
| 603-900
| 0 |
Newport |
NH |
MNCHNHCO26Z |
965H FRACTEL, LLC |
122 |
|
2020-08-10 |
|
| 603-900
| 1 |
Newport |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2024-09-17 |
|
| 603-900
| 8 |
Newport |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2026-01-15 |
|
| 603-900
| 9 |
Newport |
NH |
MNCHNHCO26Z |
965H FRACTEL, LLC |
122 |
|
2020-08-10 |
|
| 603-901
| A |
Conway |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-901
| 0 |
Conway |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2024-06-30 |
|
| 603-901
| 1 |
Conway |
NH |
MNCHNHCO42Z |
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2017-09-02 |
|
| 603-901
| 2 |
Conway |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2017-11-10 |
|
| 603-901
| 3 |
Conway |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2016-05-06 |
|
| 603-901
| 4 |
Conway |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2026-01-15 |
|
| 603-901
| 7 |
Conway |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2025-05-03 |
|
| 603-901
| 9 |
Conway |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
2018-01-02 |
|
| 603-902
| A |
Sutton |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-902
| 0 |
Sutton |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2010-01-25 |
|
| 603-903
| A |
Keene |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-903
| 0 |
Keene |
NH |
MNCHNHCO42Z |
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2005-06-24 |
|
| 603-903
| 1 |
Keene |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2008-04-10 |
|
| 603-903
| 2 |
Keene |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-08-01 |
|
| 603-903
| 3 |
Keene |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-11-29 |
|
| 603-903
| 4 |
Keene |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-08-01 |
|
| 603-903
| 5 |
Keene |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2009-04-02 |
|
| 603-903
| 6 |
Keene |
NH |
KEENNHWADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2010-01-08 |
|
| 603-903
| 7 |
Keene |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-08-01 |
|
| 603-903
| 8 |
Keene |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2011-09-02 |
|
| 603-903
| 9 |
Keene |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2011-03-04 |
|
| 603-904
| A |
Walpole |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
|
|
| 603-904
| 0 |
Walpole |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-10-13 |
|
| 603-904
| 3 |
Walpole |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2019-02-18 |
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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