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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-969
| 7 |
Portsmouth |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-969
| 8 |
Portsmouth |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-969
| 9 |
Portsmouth |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-970
| A |
Dover |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-970
| 0 |
Dover |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2006-05-19 |
|
| 603-970
| 1 |
Dover |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-09-01 |
|
| 603-970
| 2 |
Dover |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2010-12-15 |
|
| 603-970
| 3 |
Dover |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2010-12-15 |
|
| 603-970
| 4 |
Dover |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2010-12-15 |
|
| 603-970
| 5 |
Dover |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2010-12-15 |
|
| 603-970
| 6 |
Dover |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2010-12-15 |
|
| 603-970
| 7 |
Dover |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2010-12-15 |
|
| 603-970
| 8 |
Dover |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2010-12-15 |
|
| 603-970
| 9 |
Dover |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2010-12-15 |
|
| 603-971
| A |
Rindge |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-971
| 0 |
Rindge |
NH |
|
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2024-01-07 |
|
| 603-971
| 1 |
Rindge |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-971
| 2 |
Rindge |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-11-11 |
|
| 603-971
| 3 |
Rindge |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-971
| 4 |
Rindge |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-971
| 5 |
Rindge |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2015-08-01 |
|
| 603-971
| 6 |
Rindge |
NH |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2019-05-16 |
|
| 603-971
| 9 |
Rindge |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-973
| A |
Rochester |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-973
| 0 |
Rochester |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2011-08-05 |
|
| 603-973
| 1 |
Rochester |
NH |
|
5562 METROPCS, INC. |
122 |
|
|
|
| 603-973
| 2 |
Rochester |
NH |
|
5562 METROPCS, INC. |
122 |
|
|
|
| 603-973
| 3 |
Rochester |
NH |
|
5562 METROPCS, INC. |
122 |
|
|
|
| 603-973
| 4 |
Rochester |
NH |
|
5562 METROPCS, INC. |
122 |
|
|
|
| 603-973
| 5 |
Rochester |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2013-12-09 |
|
| 603-973
| 6 |
Rochester |
NH |
|
5562 METROPCS, INC. |
122 |
|
|
|
| 603-973
| 7 |
Rochester |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2012-09-22 |
|
| 603-973
| 9 |
Rochester |
NH |
|
5562 METROPCS, INC. |
122 |
|
|
|
| 603-974
| A |
Plaistow |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-974
| 0 |
Plaistow |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-05-29 |
|
| 603-974
| 1 |
Plaistow |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-974
| 2 |
Plaistow |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-974
| 3 |
Plaistow |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-05-05 |
|
| 603-974
| 5 |
Plaistow |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-11-11 |
|
| 603-974
| 7 |
Plaistow |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2013-07-08 |
|
| 603-974
| 9 |
Plaistow |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-05-07 |
|
| 603-975
| A |
Boscawen |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-975
| 0 |
Boscawen |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2010-01-25 |
|
| 603-975
| 7 |
Boscawen |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2025-12-12 |
|
| 603-977
| A |
Andover |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-977
| 0 |
Andover |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2010-01-25 |
|
| 603-977
| 7 |
Andover |
NH |
|
965H FRACTEL, LLC |
122 |
|
2020-07-06 |
|
| 603-977
| 8 |
Andover |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2021-03-10 |
|
| 603-977
| 9 |
Andover |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2021-03-10 |
|
| 603-978
| A |
Dover |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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