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 |
| 603-409
| A |
Laconia |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-409
| 0 |
Laconia |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2017-08-21 |
|
| 603-409
| 1 |
Laconia |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2019-08-30 |
|
| 603-409
| 2 |
Laconia |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-03-09 |
|
| 603-409
| 3 |
Laconia |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2025-02-10 |
|
| 603-409
| 4 |
Laconia |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2017-10-14 |
|
| 603-409
| 5 |
Laconia |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2016-07-23 |
|
| 603-409
| 6 |
Laconia |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2020-05-24 |
|
| 603-409
| 7 |
Laconia |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2016-02-29 |
|
| 603-409
| 8 |
Laconia |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
2016-12-16 |
|
| 603-409
| 9 |
Laconia |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2015-11-27 |
|
| 603-410
| A |
Concord |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-410
| 0 |
Concord |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-08-31 |
|
| 603-410
| 1 |
Concord |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-09-24 |
|
| 603-410
| 2 |
Concord |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2004-09-10 |
|
| 603-410
| 3 |
Concord |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-05-02 |
|
| 603-410
| 4 |
Concord |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2006-04-20 |
|
| 603-410
| 5 |
Concord |
NH |
|
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
2006-06-22 |
|
| 603-410
| 6 |
Concord |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-410
| 7 |
Concord |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2007-07-09 |
|
| 603-410
| 8 |
Concord |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2012-12-12 |
|
| 603-410
| 9 |
Concord |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2006-10-09 |
|
| 603-412
| A |
Plymouth |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-412
| 2 |
Plymouth |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-12-12 |
|
| 603-412
| 4 |
Plymouth |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2021-06-06 |
|
| 603-412
| 6 |
Plymouth |
NH |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2016-02-22 |
|
| 603-412
| 7 |
Plymouth |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-413
| A |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-413
| 0 |
Manchester |
NH |
|
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
|
|
| 603-413
| 1 |
Manchester |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2020-04-04 |
|
| 603-413
| 2 |
Manchester |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
|
|
| 603-413
| 3 |
Manchester |
NH |
|
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
|
|
| 603-413
| 4 |
Manchester |
NH |
|
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
|
|
| 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 |
|
637E ONVOY, LLC - NH |
122 |
|
|
|
| 603-413
| 9 |
Manchester |
NH |
|
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 |
|
073H TELNYX LLC |
122 |
|
2024-07-04 |
|
| 603-414
| 1 |
Sunapee |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2008-07-10 |
|
| 603-414
| 2 |
Sunapee |
NH |
|
853H TDS METROCOM, LLC - NH |
122 |
|
2016-08-09 |
|
| 603-414
| 3 |
Sunapee |
NH |
|
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 |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2021-04-19 |
|
| 603-414
| 7 |
Sunapee |
NH |
|
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 |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2021-07-30 |
|
| 603-416
| 1 |
Raymond |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2022-02-21 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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