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 |
| 603-506
| 9 |
Manchester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2018-12-13 |
|
| 603-507
| A |
Rochester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-507
| 0 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2016-05-01 |
|
| 603-507
| 1 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2017-05-12 |
|
| 603-507
| 2 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2017-09-11 |
|
| 603-507
| 3 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-06-05 |
|
| 603-507
| 4 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2016-01-29 |
|
| 603-507
| 5 |
Rochester |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2017-01-21 |
|
| 603-507
| 6 |
Rochester |
NH |
MNCHNHBODS0 |
927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
122 |
|
2017-12-22 |
|
| 603-507
| 7 |
Rochester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2016-07-02 |
|
| 603-507
| 8 |
Rochester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2015-11-20 |
|
| 603-507
| 9 |
Rochester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2015-09-11 |
|
| 603-508
| A |
Pelham |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-508
| 0 |
Pelham |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-508
| 1 |
Pelham |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-508
| 2 |
Pelham |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2003-03-11 |
|
| 603-508
| 3 |
Pelham |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
2003-06-04 |
|
| 603-508
| 4 |
Pelham |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2016-03-27 |
|
| 603-508
| 5 |
Pelham |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2011-10-27 |
|
| 603-508
| 6 |
Pelham |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2006-10-31 |
|
| 603-508
| 7 |
Pelham |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-508
| 8 |
Pelham |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-508
| 9 |
Pelham |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-509
| A |
Rochester |
NH |
MNCHNHCO48Z |
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-509
| 0 |
Rochester |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2006-03-18 |
|
| 603-509
| 1 |
Rochester |
NH |
MNCHNHCO48Z |
829J PAETEC ITEL, LLC |
122 |
|
2001-11-29 |
|
| 603-509
| 2 |
Rochester |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-05-02 |
|
| 603-509
| 3 |
Rochester |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-05-02 |
|
| 603-509
| 4 |
Rochester |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-19 |
|
| 603-509
| 6 |
Rochester |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2014-12-15 |
|
| 603-509
| 7 |
Rochester |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-12-06 |
|
| 603-509
| 8 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2015-09-01 |
|
| 603-509
| 9 |
Rochester |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2010-10-02 |
|
| 603-510
| A |
Meriden |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-510
| 0 |
Meriden |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2010-06-25 |
|
| 603-512
| A |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2024-02-09 |
|
| 603-512
| 0 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-512
| 1 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-512
| 2 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-512
| 3 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-512
| 4 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-512
| 5 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-512
| 6 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-512
| 7 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-512
| 8 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-512
| 9 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-513
| A |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-513
| 0 |
Concord |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
|
|
| 603-513
| 1 |
Concord |
NH |
MNCHNHCO45Z |
829J PAETEC ITEL, LLC |
122 |
|
2005-05-19 |
|
| 603-513
| 2 |
Concord |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
|
|
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Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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