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 |
603-570
| 6 |
Portsmouth |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2012-03-30 |
|
603-570
| 7 |
Portsmouth |
NH |
PTMONH07DS1 |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2007-06-13 |
|
603-570
| 8 |
Portsmouth |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-01-10 |
|
603-570
| 9 |
Portsmouth |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
603-571
| A |
Derry |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2024-01-05 |
|
603-571
| 0 |
Derry |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
603-571
| 1 |
Derry |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
603-571
| 2 |
Derry |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2024-02-02 |
|
603-571
| 4 |
Derry |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2024-01-15 |
|
603-571
| 5 |
Derry |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
603-571
| 7 |
Derry |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
603-571
| 8 |
Derry |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
603-572
| A |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
2024-06-02
|
603-573
| A |
Concord |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
603-573
| 0 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2014-09-01 |
|
603-573
| 1 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2013-10-01 |
|
603-573
| 2 |
Concord |
NH |
CNCRNHSODS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2012-12-12 |
|
603-573
| 3 |
Concord |
NH |
MNCHNHCO37Z |
7421 AT&T - LOCAL |
122 |
|
2000-12-15 |
|
603-573
| 4 |
Concord |
NH |
MNCHNHCO37Z |
7421 AT&T - LOCAL |
122 |
|
2002-09-09 |
|
603-573
| 5 |
Concord |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2007-07-09 |
|
603-573
| 6 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2013-01-31 |
|
603-573
| 7 |
Concord |
NH |
CNCRNHSODS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2012-12-12 |
|
603-573
| 8 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2017-09-19 |
|
603-573
| 9 |
Concord |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
603-574
| A |
Alstead |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
603-574
| 0 |
Alstead |
NH |
MNCHNHAC3MD |
939H COMMIO, LLC |
122 |
|
2022-11-05 |
|
603-574
| 4 |
Alstead |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
603-575
| A |
Littleton |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
603-575
| 0 |
Littleton |
NH |
DOVRNHTHXEX |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2019-05-17 |
|
603-575
| 1 |
Littleton |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2019-07-08 |
|
603-575
| 4 |
Littleton |
NH |
MNCHNHAC7MD |
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-04-27 |
|
603-575
| 5 |
Littleton |
NH |
MNCHNHCOXPZ |
853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) |
122 |
|
2012-10-02 |
|
603-575
| 6 |
Littleton |
NH |
MNCHNHCOXAZ |
4206 PAETEC COMMUNICATIONS, INC. - NH |
122 |
|
2013-10-21 |
|
603-575
| 9 |
Littleton |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
603-576
| A |
Orford |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
603-576
| 2 |
Orford |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-12-12 |
|
603-576
| 4 |
Orford |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
603-577
| A |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-577
| 0 |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2015-05-01 |
|
603-577
| 1 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2006-12-20 |
|
603-577
| 2 |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-577
| 3 |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-577
| 4 |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-577
| 5 |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-577
| 6 |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-577
| 7 |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-577
| 8 |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-577
| 9 |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-578
| A |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-579
| A |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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