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 |
| 603-413
| 5 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-07-09 |
|
| 603-413
| 6 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-07-09 |
|
| 603-413
| 7 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2014-10-15 |
|
| 603-413
| 8 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
|
|
| 603-413
| 9 |
Manchester |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-01-07 |
|
| 603-414
| A |
Sunapee |
NH |
CNTCNHXARP0 |
853H TDS METROCOM, LLC - NH |
122 |
|
|
|
| 603-414
| 0 |
Sunapee |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2024-07-04 |
|
| 603-414
| 2 |
Sunapee |
NH |
CNTCNHXARP0 |
853H TDS METROCOM, LLC - NH |
122 |
|
2016-08-09 |
|
| 603-414
| 3 |
Sunapee |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2022-09-21 |
|
| 603-414
| 5 |
Sunapee |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2025-03-14 |
|
| 603-414
| 6 |
Sunapee |
NH |
DOVRNHTHXEX |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2021-04-19 |
|
| 603-414
| 7 |
Sunapee |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-415
| A |
Concord |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-416
| A |
Raymond |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-416
| 0 |
Raymond |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2021-07-30 |
|
| 603-416
| 1 |
Raymond |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2022-02-21 |
|
| 603-416
| 2 |
Raymond |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2022-12-23 |
|
| 603-416
| 3 |
Raymond |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2023-07-08 |
|
| 603-416
| 4 |
Raymond |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2023-09-22 |
|
| 603-416
| 5 |
Raymond |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2024-08-30 |
|
| 603-416
| 6 |
Raymond |
NH |
|
5562 METROPCS, INC. |
122 |
|
2024-02-11 |
|
| 603-416
| 7 |
Raymond |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2025-04-11 |
|
| 603-416
| 8 |
Raymond |
NH |
MNCHNHAC3MD |
939H COMMIO, LLC |
122 |
|
2022-06-12 |
|
| 603-416
| 9 |
Raymond |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2019-02-23 |
|
| 603-417
| A |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-417
| 0 |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2016-07-11 |
|
| 603-417
| 1 |
Nashua |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2017-11-21 |
|
| 603-417
| 2 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2016-01-01 |
|
| 603-417
| 3 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2016-03-07 |
|
| 603-417
| 4 |
Nashua |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
2016-04-07 |
|
| 603-417
| 5 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2016-09-08 |
|
| 603-417
| 6 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2015-09-24 |
|
| 603-417
| 7 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2015-11-26 |
|
| 603-417
| 8 |
Nashua |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2015-10-20 |
|
| 603-417
| 9 |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2015-06-14 |
|
| 603-418
| A |
Exeter |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-418
| 0 |
Exeter |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-05-24 |
|
| 603-418
| 1 |
Exeter |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2024-11-17 |
|
| 603-418
| 2 |
Exeter |
NH |
MNCHNHCOX1Y |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2004-02-24 |
|
| 603-418
| 3 |
Exeter |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2006-06-26 |
|
| 603-418
| 4 |
Exeter |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2009-01-05 |
|
| 603-418
| 5 |
Exeter |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2009-08-21 |
|
| 603-418
| 6 |
Exeter |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-418
| 7 |
Exeter |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2014-09-16 |
|
| 603-418
| 8 |
Exeter |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-05-30 |
|
| 603-418
| 9 |
Exeter |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-07-03 |
|
| 603-419
| A |
Suncook |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-419
| 0 |
Suncook |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-419
| 1 |
Suncook |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-06-04 |
|
| 603-419
| 2 |
Suncook |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2019-04-25 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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