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 |
| 603-941
| 8 |
Wolfeboro |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2016-05-11 |
|
| 603-941
| 9 |
Wolfeboro |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-942
| A |
Northwood |
NH |
NWODNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-942
| 1 |
Northwood |
NH |
MNCHNHAC7MD |
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-12-12 |
|
| 603-942
| 2 |
Northwood |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2002-09-19 |
|
| 603-942
| 5 |
Northwood |
NH |
NWODNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-942
| 6 |
Northwood |
NH |
ROCHNHWE4MD |
314C IDT AMERICA, CORP. - NH |
122 |
|
2008-04-18 |
|
| 603-942
| 7 |
Northwood |
NH |
NWODNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-942
| 8 |
Northwood |
NH |
NWODNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-942
| 9 |
Northwood |
NH |
NWODNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-943
| A |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 0 |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 1 |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 2 |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 3 |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 4 |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 5 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2009-02-09 |
|
| 603-943
| 6 |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 7 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2011-08-05 |
|
| 603-943
| 8 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2012-09-19 |
|
| 603-943
| 9 |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-944
| A |
South Hampton |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-944
| 0 |
South Hampton |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-944
| 1 |
South Hampton |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-944
| 2 |
South Hampton |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2003-08-03 |
|
| 603-944
| 3 |
South Hampton |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2003-10-11 |
|
| 603-944
| 4 |
South Hampton |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2003-03-23 |
|
| 603-944
| 5 |
South Hampton |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2003-12-29 |
|
| 603-944
| 6 |
South Hampton |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-944
| 7 |
South Hampton |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-944
| 8 |
South Hampton |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2004-11-26 |
|
| 603-944
| 9 |
South Hampton |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-04-29 |
|
| 603-945
| A |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
|
|
| 603-945
| 0 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2007-10-07 |
|
| 603-945
| 1 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2018-09-11 |
|
| 603-945
| 2 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2018-05-13 |
|
| 603-945
| 3 |
Manchester |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2016-06-07 |
|
| 603-945
| 4 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2018-05-13 |
|
| 603-945
| 5 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2018-05-13 |
|
| 603-945
| 6 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2019-06-06 |
|
| 603-945
| 7 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2018-09-11 |
|
| 603-945
| 8 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2018-09-11 |
|
| 603-945
| 9 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2018-12-07 |
|
| 603-947
| A |
Plymouth |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-947
| 0 |
Plymouth |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-947
| 1 |
Plymouth |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-947
| 2 |
Plymouth |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-947
| 3 |
Plymouth |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-947
| 4 |
Plymouth |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-947
| 5 |
Plymouth |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
<< 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: Execulink Telecom
Like this site? We accept donations via PayPal.