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 |
| 603-829
| 5 |
Sunapee |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2004-04-10 |
|
| 603-829
| 6 |
Sunapee |
NH |
MNCHNHAC7MD |
145J TERRA NOVA TELECOM INC. |
122 |
|
2024-02-06 |
|
| 603-829
| 9 |
Sunapee |
NH |
MNCHNHACDS0 |
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 |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-02-12 |
|
| 603-831
| 1 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-07-02 |
|
| 603-831
| 2 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-01-02 |
|
| 603-831
| 3 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-10-02 |
|
| 603-831
| 4 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-06-01 |
|
| 603-831
| 5 |
Greenfield |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2006-10-30 |
|
| 603-831
| 6 |
Greenfield |
NH |
MNCHNHACAMD |
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 |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-04-04 |
|
| 603-831
| 9 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2011-04-01 |
|
| 603-832
| A |
Laconia |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-832
| 1 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2011-03-04 |
|
| 603-832
| 2 |
Laconia |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-04-30 |
|
| 603-832
| 3 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-10-22 |
|
| 603-832
| 4 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-12-16 |
|
| 603-832
| 5 |
Laconia |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-01-20 |
|
| 603-832
| 6 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-06-17 |
|
| 603-832
| 7 |
Laconia |
NH |
DOVRNHTHXEX |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2019-06-04 |
|
| 603-832
| 8 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-10-02 |
|
| 603-832
| 9 |
Laconia |
NH |
ROCHNHWE4MD |
314C IDT AMERICA, CORP. - NH |
122 |
|
2015-05-24 |
|
| 603-833
| A |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-833
| 0 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-12-03 |
|
| 603-833
| 1 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-02-03 |
|
| 603-833
| 2 |
Rochester |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2007-07-23 |
|
| 603-833
| 3 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-01-02 |
|
| 603-833
| 5 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-11-15 |
|
| 603-833
| 6 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-07-03 |
|
| 603-833
| 7 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2009-04-02 |
|
| 603-833
| 8 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2009-10-02 |
|
| 603-833
| 9 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-02-13 |
|
| 603-834
| A |
Dover |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-834
| 0 |
Dover |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2003-11-01 |
|
| 603-834
| 1 |
Dover |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2003-11-01 |
|
| 603-834
| 2 |
Dover |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2004-04-12 |
|
| 603-834
| 3 |
Dover |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2004-04-12 |
|
| 603-834
| 4 |
Dover |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2004-09-20 |
|
| 603-834
| 5 |
Dover |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2008-07-17 |
|
| 603-834
| 6 |
Dover |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-834
| 7 |
Dover |
NH |
MNCHNHBODS0 |
927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
122 |
|
2023-09-23 |
|
| 603-834
| 8 |
Dover |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2009-02-02 |
|
| 603-834
| 9 |
Dover |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2015-03-09 |
|
| 603-835
| A |
Alstead |
NH |
ALSTNHLIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-835
| 0 |
Alstead |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-05-14 |
|
| 603-835
| 1 |
Alstead |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-27 |
|
| 603-835
| 2 |
Alstead |
NH |
ALSTNHLIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-835
| 3 |
Alstead |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-03-05 |
|
<< 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 >>
Last updated: Tue, 31 Mar 2026 13:56:49 UTC
Sponsored by: BeeVox - Whitelabel Reseller Platform
Like this site? We accept donations via PayPal.