Local Calling Guide
Area code/prefix search
NPA: 603
[Rate centres in NPA 603]
[Dial plan for NPA 603]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-410
| 4 |
Concord |
NH |
MNCHNHCO44Z |
829J PAETEC ITEL, LLC |
122 |
|
2006-04-20 |
|
| 603-410
| 5 |
Concord |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
2006-06-22 |
|
| 603-410
| 6 |
Concord |
NH |
MNCHNHCO44Z |
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-410
| 7 |
Concord |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2007-07-09 |
|
| 603-410
| 8 |
Concord |
NH |
CNCRNHSODS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2012-12-12 |
|
| 603-410
| 9 |
Concord |
NH |
MNCHNHCOCM1 |
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 |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-12-12 |
|
| 603-412
| 4 |
Plymouth |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2021-06-06 |
|
| 603-412
| 6 |
Plymouth |
NH |
DOVRNHTHXEX |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2016-02-22 |
|
| 603-412
| 7 |
Plymouth |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-413
| A |
Manchester |
NH |
MNCHNHCO45Z |
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-413
| 0 |
Manchester |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
|
|
| 603-413
| 1 |
Manchester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2020-04-04 |
|
| 603-413
| 2 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
|
|
| 603-413
| 3 |
Manchester |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
|
|
| 603-413
| 4 |
Manchester |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
|
|
| 603-413
| 5 |
Manchester |
NH |
MNCHNHCO45Z |
829J PAETEC ITEL, LLC |
122 |
|
2005-07-09 |
|
| 603-413
| 6 |
Manchester |
NH |
MNCHNHCO45Z |
829J PAETEC ITEL, LLC |
122 |
|
2005-07-09 |
|
| 603-413
| 7 |
Manchester |
NH |
MNCHNHCO46Z |
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 |
|
520K TDS METROCOM, LLC |
122 |
|
|
|
| 603-414
| 0 |
Sunapee |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2024-07-04 |
|
| 603-414
| 2 |
Sunapee |
NH |
|
520K TDS METROCOM, LLC |
122 |
|
2016-08-09 |
|
| 603-414
| 3 |
Sunapee |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2022-09-21 |
|
| 603-414
| 5 |
Sunapee |
NH |
MNCHNHCOCM1 |
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 |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2024-02-11 |
|
| 603-416
| 7 |
Raymond |
NH |
MNCHNHACAMD |
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 |
|
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Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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