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 |
603-420
| 3 |
Merrimack |
NH |
MNCHNHAC7MD |
145J TERRA NOVA TELECOM INC. |
122 |
|
2022-10-06 |
|
603-420
| 4 |
Merrimack |
NH |
PTMONH07DS1 |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-19 |
|
603-420
| 5 |
Merrimack |
NH |
NASHNH08AMD |
4053 CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLC |
122 |
|
2006-05-01 |
|
603-420
| 6 |
Merrimack |
NH |
MNCHNHAC7MD |
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-04-27 |
|
603-420
| 7 |
Merrimack |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-12-02 |
|
603-420
| 8 |
Merrimack |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2009-03-22 |
|
603-420
| 9 |
Merrimack |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
603-421
| A |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-421
| 0 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-421
| 1 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-421
| 2 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-421
| 3 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-421
| 4 |
Derry |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
603-421
| 5 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-421
| 6 |
Derry |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2010-10-02 |
|
603-421
| 7 |
Derry |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2011-11-21 |
|
603-421
| 8 |
Derry |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2012-10-12 |
|
603-421
| 9 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-422
| A |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-422
| 0 |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-422
| 1 |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-422
| 2 |
Portsmouth |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2011-03-29 |
|
603-422
| 3 |
Portsmouth |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2011-03-29 |
|
603-422
| 4 |
Portsmouth |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2011-11-22 |
|
603-422
| 5 |
Portsmouth |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2011-11-22 |
|
603-422
| 6 |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-422
| 7 |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-422
| 8 |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-422
| 9 |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-423
| A |
Merrimack |
NH |
MRMCNHYADS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-424
| A |
Merrimack |
NH |
MRMCNHYADS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-425
| A |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-425
| 0 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-425
| 1 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-425
| 2 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-425
| 3 |
Derry |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
603-425
| 4 |
Derry |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
603-425
| 5 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-425
| 6 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-425
| 7 |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-425
| 8 |
Derry |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-09-18 |
|
603-425
| 9 |
Derry |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2009-08-01 |
|
603-426
| A |
Derry |
NH |
DRRYNHEBDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-427
| A |
Portsmouth |
NH |
PTMONHISPS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-427
| 0 |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-427
| 1 |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-427
| 2 |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-427
| 3 |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-427
| 4 |
Portsmouth |
NH |
PTMONHISPS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
603-427
| 5 |
Portsmouth |
NH |
PTMONHISDS1 |
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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