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 |
| 603-270
| 9 |
Suncook |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-271
| A |
Concord |
NH |
CNCRNHSODS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-272
| A |
Piermont |
NH |
BRFRVTPG272 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-272
| 1 |
Piermont |
NH |
MNCHNHCO43Z |
792K CHARTER IP ENABLED SERVICES, LLC |
122 |
|
2011-09-03 |
|
| 603-272
| 2 |
Piermont |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-27 |
|
| 603-272
| 4 |
Piermont |
NH |
BRFRVTPG272 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-272
| 5 |
Piermont |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-04-27 |
|
| 603-272
| 6 |
Piermont |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-07 |
|
| 603-272
| 7 |
Piermont |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2025-02-09 |
|
| 603-272
| 9 |
Piermont |
NH |
BRFRVTPG272 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-273
| A |
Laconia |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-273
| 0 |
Laconia |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-05-24 |
|
| 603-273
| 1 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2015-05-06 |
|
| 603-273
| 2 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2013-02-01 |
|
| 603-273
| 3 |
Laconia |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2026-02-10 |
|
| 603-273
| 4 |
Laconia |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-19 |
|
| 603-273
| 5 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2021-06-18 |
|
| 603-273
| 6 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2013-12-28 |
|
| 603-273
| 7 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2013-04-01 |
|
| 603-273
| 8 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2015-09-01 |
|
| 603-273
| 9 |
Laconia |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-274
| A |
South Hampton |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-274
| 4 |
South Hampton |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-19 |
|
| 603-274
| 9 |
South Hampton |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-275
| A |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-275
| 0 |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-275
| 1 |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-275
| 2 |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-275
| 3 |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2005-12-10 |
|
| 603-275
| 4 |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2005-12-10 |
|
| 603-275
| 5 |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2006-11-09 |
|
| 603-275
| 6 |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-275
| 7 |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2008-02-03 |
|
| 603-275
| 8 |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2008-06-22 |
|
| 603-275
| 9 |
Derry |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-276
| A |
West Lebanon |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-276
| 0 |
West Lebanon |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-276
| 1 |
West Lebanon |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2007-03-08 |
|
| 603-276
| 2 |
West Lebanon |
NH |
MNCHNHAC7MD |
145J TERRA NOVA TELECOM INC. |
122 |
|
2024-05-24 |
|
| 603-276
| 3 |
West Lebanon |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-05 |
|
| 603-276
| 4 |
West Lebanon |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2008-10-15 |
|
| 603-276
| 5 |
West Lebanon |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2008-10-06 |
|
| 603-276
| 6 |
West Lebanon |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2019-09-29 |
|
| 603-276
| 7 |
West Lebanon |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2008-02-21 |
|
| 603-276
| 8 |
West Lebanon |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2008-01-08 |
|
| 603-276
| 9 |
West Lebanon |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2006-03-21 |
|
| 603-277
| A |
Hanover |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-277
| 0 |
Hanover |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2009-01-05 |
|
| 603-277
| 1 |
Hanover |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2012-09-22 |
|
| 603-277
| 2 |
Hanover |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2013-10-03 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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