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 |
| 603-753
| 3 |
Penacook |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-03-27 |
|
| 603-753
| 4 |
Penacook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-753
| 5 |
Penacook |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-27 |
|
| 603-753
| 6 |
Penacook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-753
| 8 |
Penacook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-753
| 9 |
Penacook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-754
| A |
Lancaster |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-754
| 0 |
Lancaster |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-10-21 |
|
| 603-754
| 1 |
Lancaster |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-754
| 3 |
Lancaster |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-754
| 4 |
Lancaster |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-754
| 5 |
Lancaster |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2025-05-03 |
|
| 603-754
| 8 |
Lancaster |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-754
| 9 |
Lancaster |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-755
| A |
Farmington |
NH |
FRTNNHMGRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-755
| 0 |
Farmington |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-27 |
|
| 603-755
| 1 |
Farmington |
NH |
|
5562 METROPCS, INC. |
122 |
|
2005-11-26 |
|
| 603-755
| 2 |
Farmington |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-755
| 3 |
Farmington |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-755
| 4 |
Farmington |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-755
| 5 |
Farmington |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2006-09-02 |
|
| 603-755
| 6 |
Farmington |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-755
| 7 |
Farmington |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2025-07-31 |
|
| 603-755
| 8 |
Farmington |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2006-08-22 |
|
| 603-755
| 9 |
Farmington |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-756
| A |
Walpole |
NH |
WLPLNHWPRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-756
| 0 |
Walpole |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-09-10 |
|
| 603-756
| 1 |
Walpole |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2004-04-04 |
|
| 603-756
| 2 |
Walpole |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-756
| 3 |
Walpole |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-756
| 4 |
Walpole |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-756
| 5 |
Walpole |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-28 |
|
| 603-756
| 6 |
Walpole |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-05 |
|
| 603-756
| 7 |
Walpole |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-756
| 8 |
Walpole |
NH |
|
073H TELNYX LLC |
122 |
|
2024-08-02 |
|
| 603-756
| 9 |
Walpole |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-757
| A |
Keene |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-757
| 0 |
Keene |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-757
| 1 |
Keene |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-04-30 |
|
| 603-757
| 2 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2013-12-01 |
|
| 603-757
| 3 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-04-15 |
|
| 603-757
| 4 |
Keene |
NH |
|
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
2010-11-29 |
|
| 603-757
| 5 |
Keene |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2023-07-10 |
|
| 603-757
| 6 |
Keene |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2014-12-16 |
|
| 603-757
| 7 |
Keene |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2013-09-18 |
|
| 603-757
| 8 |
Keene |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2017-03-11 |
|
| 603-757
| 9 |
Keene |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2015-09-16 |
|
| 603-758
| A |
Hampton |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-758
| 0 |
Hampton |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-01-14 |
|
| 603-758
| 1 |
Hampton |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2001-02-06 |
|
<< 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
Sponsored by: VoIP Much Phone Company
Like this site? We accept donations via PayPal.