Local Calling Guide
Area code/prefix search
NPA: 603
[Rate centres in NPA 603]
[Dial plan for NPA 603]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-824
| 3 |
Salem |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2014-10-31 |
|
| 603-824
| 4 |
Salem |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2017-02-23 |
|
| 603-824
| 5 |
Salem |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-01-07 |
|
| 603-824
| 6 |
Salem |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2013-06-01 |
|
| 603-824
| 8 |
Salem |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-04-10 |
|
| 603-824
| 9 |
Salem |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-825
| A |
Manchester |
NH |
MNCHNHACCMD |
516J TON80 COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-825
| 0 |
Manchester |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-09-16 |
|
| 603-825
| 1 |
Manchester |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-09-16 |
|
| 603-825
| 2 |
Manchester |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-09-16 |
|
| 603-825
| 3 |
Manchester |
NH |
MNCHNHACCMD |
516J TON80 COMMUNICATIONS, LLC |
122 |
|
2022-03-14 |
|
| 603-825
| 4 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-09-29 |
|
| 603-825
| 5 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-05-27 |
|
| 603-825
| 6 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-09-29 |
|
| 603-825
| 7 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-09-29 |
|
| 603-825
| 8 |
Manchester |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-09-16 |
|
| 603-825
| 9 |
Manchester |
NH |
DOVRNHTHGMD |
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 |
MNCHNHIE6MD |
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 |
CHTWNHBRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-826
| 4 |
Charlestown |
NH |
CHTWNHBRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-826
| 5 |
Charlestown |
NH |
CHTWNHBRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-826
| 6 |
Charlestown |
NH |
MNCHNHCOX8Z |
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 |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-08-16 |
|
| 603-826
| 9 |
Charlestown |
NH |
CHTWNHBRRS1 |
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 |
MNCHNHAC3MD |
939H COMMIO, LLC |
122 |
|
2022-11-05 |
|
| 603-827
| 2 |
Harrisville |
NH |
HRVLNHMARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2002-09-19 |
|
| 603-827
| 3 |
Harrisville |
NH |
HRVLNHMARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-827
| 4 |
Harrisville |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-827
| 5 |
Harrisville |
NH |
MNCHNHAC7MD |
145J TERRA NOVA TELECOM INC. |
122 |
|
2024-08-11 |
|
| 603-827
| 7 |
Harrisville |
NH |
MNCHNHCO42Z |
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2023-05-28 |
|
| 603-827
| 9 |
Harrisville |
NH |
HRVLNHMARS1 |
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 |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2004-10-09 |
|
| 603-828
| 1 |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-02-12 |
|
| 603-828
| 2 |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-09-02 |
|
| 603-828
| 3 |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-03-04 |
|
| 603-828
| 4 |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-09-01 |
|
| 603-828
| 5 |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-02-17 |
|
| 603-828
| 6 |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-828
| 7 |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-828
| 8 |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-828
| 9 |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-829
| A |
Sunapee |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-829
| 4 |
Sunapee |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-20 |
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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