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 |
| 603-925
| 1 |
Peterborough |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-925
| 2 |
Peterborough |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-925
| 3 |
Peterborough |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-925
| 4 |
Peterborough |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-925
| 6 |
Peterborough |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2021-12-11 |
|
| 603-925
| 9 |
Peterborough |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-926
| A |
Hampton |
NH |
HMPNNHWIDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-927
| A |
Sutton |
NH |
STTNNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-927
| 0 |
Sutton |
NH |
STTNNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-927
| 1 |
Sutton |
NH |
STTNNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-927
| 2 |
Sutton |
NH |
STTNNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-927
| 4 |
Sutton |
NH |
STTNNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-927
| 6 |
Sutton |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-07-11 |
|
| 603-928
| A |
Suncook |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-928
| 0 |
Suncook |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-928
| 1 |
Suncook |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2025-08-29 |
|
| 603-928
| 3 |
Suncook |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-928
| 4 |
Suncook |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-928
| 7 |
Suncook |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-05 |
|
| 603-928
| 8 |
Suncook |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-928
| 9 |
Suncook |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-929
| A |
Hampton |
NH |
HMPNNHWIDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-930
| A |
Nashua |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-931
| A |
Concord |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-931
| 0 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2016-01-29 |
|
| 603-931
| 2 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2016-03-29 |
|
| 603-931
| 3 |
Concord |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2015-07-05 |
|
| 603-931
| 4 |
Concord |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
2016-04-07 |
|
| 603-931
| 5 |
Concord |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
2015-07-31 |
|
| 603-931
| 6 |
Concord |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2015-10-18 |
|
| 603-931
| 7 |
Concord |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2015-10-18 |
|
| 603-931
| 8 |
Concord |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2016-02-06 |
|
| 603-931
| 9 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2017-06-19 |
|
| 603-932
| A |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
|
|
| 603-932
| 0 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2019-01-19 |
|
| 603-932
| 1 |
Manchester |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2008-08-20 |
|
| 603-932
| 2 |
Manchester |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2015-06-11 |
|
| 603-932
| 3 |
Manchester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-08-13 |
|
| 603-932
| 4 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2019-10-15 |
|
| 603-932
| 5 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2019-10-15 |
|
| 603-932
| 6 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2018-09-11 |
|
| 603-932
| 7 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2018-08-02 |
|
| 603-932
| 8 |
Manchester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2018-04-14 |
|
| 603-932
| 9 |
Manchester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2018-04-14 |
|
| 603-933
| A |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-933
| 0 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-09-12 |
|
| 603-933
| 1 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2016-05-01 |
|
| 603-933
| 2 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2013-10-05 |
|
| 603-933
| 3 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-12-04 |
|
| 603-933
| 4 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-11-10 |
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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