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 |
| 603-825
| 7 |
Manchester |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2022-09-29 |
|
| 603-825
| 8 |
Manchester |
NH |
|
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-09-16 |
|
| 603-825
| 9 |
Manchester |
NH |
|
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-09-16 |
|
| 603-826
| A |
Charlestown |
NH |
CHTWNHBRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-826
| 0 |
Charlestown |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2006-10-30 |
|
| 603-826
| 1 |
Charlestown |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2004-04-04 |
|
| 603-826
| 2 |
Charlestown |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-27 |
|
| 603-826
| 3 |
Charlestown |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-826
| 4 |
Charlestown |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-826
| 5 |
Charlestown |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-826
| 6 |
Charlestown |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-826
| 7 |
Charlestown |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-09-10 |
|
| 603-826
| 8 |
Charlestown |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-08-16 |
|
| 603-826
| 9 |
Charlestown |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-827
| A |
Harrisville |
NH |
HRVLNHMARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-827
| 0 |
Harrisville |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2002-10-14 |
|
| 603-827
| 1 |
Harrisville |
NH |
|
939H COMMIO, LLC |
122 |
|
2022-11-05 |
|
| 603-827
| 2 |
Harrisville |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2002-09-19 |
|
| 603-827
| 3 |
Harrisville |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-827
| 4 |
Harrisville |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-827
| 5 |
Harrisville |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2024-08-11 |
|
| 603-827
| 7 |
Harrisville |
NH |
|
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2023-05-28 |
|
| 603-827
| 9 |
Harrisville |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2014-06-20 |
|
| 603-828
| A |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-828
| 0 |
Portsmouth |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2004-10-09 |
|
| 603-828
| 1 |
Portsmouth |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-02-12 |
|
| 603-828
| 2 |
Portsmouth |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-09-02 |
|
| 603-828
| 3 |
Portsmouth |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-03-04 |
|
| 603-828
| 4 |
Portsmouth |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-09-01 |
|
| 603-828
| 5 |
Portsmouth |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-02-17 |
|
| 603-828
| 6 |
Portsmouth |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-828
| 7 |
Portsmouth |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-828
| 8 |
Portsmouth |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-828
| 9 |
Portsmouth |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-829
| A |
Sunapee |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-829
| 3 |
Sunapee |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2006-12-15 |
|
| 603-829
| 4 |
Sunapee |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-20 |
|
| 603-829
| 5 |
Sunapee |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2004-04-10 |
|
| 603-829
| 6 |
Sunapee |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2024-02-06 |
|
| 603-829
| 9 |
Sunapee |
NH |
|
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-831
| A |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-831
| 0 |
Greenfield |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-02-12 |
|
| 603-831
| 1 |
Greenfield |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-07-02 |
|
| 603-831
| 2 |
Greenfield |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-01-02 |
|
| 603-831
| 3 |
Greenfield |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-10-02 |
|
| 603-831
| 4 |
Greenfield |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-06-01 |
|
| 603-831
| 5 |
Greenfield |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2006-10-30 |
|
| 603-831
| 6 |
Greenfield |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-11-15 |
|
| 603-831
| 7 |
Greenfield |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2007-11-20 |
|
| 603-831
| 8 |
Greenfield |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-04-04 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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