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 |
| 603-716
| 3 |
Manchester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2009-05-02 |
|
| 603-716
| 4 |
Manchester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-04-01 |
|
| 603-716
| 5 |
Manchester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-04-01 |
|
| 603-716
| 6 |
Manchester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-12-04 |
|
| 603-716
| 7 |
Manchester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-08-01 |
|
| 603-716
| 8 |
Manchester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2014-09-01 |
|
| 603-716
| 9 |
Manchester |
NH |
MNCHNHBODS0 |
927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
122 |
|
2017-12-09 |
|
| 603-717
| A |
Concord |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-717
| 0 |
Concord |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-717
| 1 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-02-16 |
|
| 603-717
| 2 |
Concord |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2006-12-04 |
|
| 603-717
| 3 |
Concord |
NH |
MNCHNHCO44Z |
829J PAETEC ITEL, LLC |
122 |
|
2004-11-18 |
|
| 603-717
| 4 |
Concord |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2008-04-24 |
|
| 603-717
| 5 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2009-08-01 |
|
| 603-717
| 6 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-08-01 |
|
| 603-717
| 7 |
Concord |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-717
| 8 |
Concord |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-04-02 |
|
| 603-717
| 9 |
Concord |
NH |
MNCHNHCO47Z |
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-718
| A |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-718
| 0 |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2009-07-06 |
|
| 603-718
| 1 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2010-12-09 |
|
| 603-718
| 2 |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-08-01 |
|
| 603-718
| 3 |
Nashua |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2010-09-27 |
|
| 603-718
| 4 |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-11-01 |
|
| 603-718
| 5 |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-12-11 |
|
| 603-718
| 6 |
Nashua |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
2011-01-10 |
|
| 603-718
| 7 |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2026-02-27 |
|
| 603-718
| 8 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2009-08-31 |
|
| 603-718
| 9 |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2011-06-02 |
|
| 603-719
| A |
Keene |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-719
| 0 |
Keene |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-719
| 1 |
Keene |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-719
| 2 |
Keene |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-719
| 3 |
Keene |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-719
| 4 |
Keene |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-719
| 5 |
Keene |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2023-02-20 |
|
| 603-719
| 6 |
Keene |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2021-12-11 |
|
| 603-719
| 7 |
Keene |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-12-02 |
|
| 603-719
| 8 |
Keene |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2022-08-29 |
|
| 603-719
| 9 |
Keene |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-720
| A |
Troy |
NH |
MNCHNHCO42Z |
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
|
|
| 603-720
| 1 |
Troy |
NH |
MNCHNHCO42Z |
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2023-05-21 |
|
| 603-721
| A |
Milford |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-721
| 0 |
Milford |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2006-05-20 |
|
| 603-721
| 1 |
Milford |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-721
| 2 |
Milford |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-721
| 3 |
Milford |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2026-01-29 |
|
| 603-721
| 4 |
Milford |
NH |
MNCHNHCO45Z |
829J PAETEC ITEL, LLC |
122 |
|
2007-03-07 |
|
| 603-721
| 5 |
Milford |
NH |
MNCHNHCO43Z |
792K CHARTER IP ENABLED SERVICES, LLC |
122 |
|
2011-09-03 |
|
| 603-721
| 6 |
Milford |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
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Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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