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 |
| 603-293
| 3 |
Laconia |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2014-06-01 |
|
| 603-293
| 4 |
Laconia |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-293
| 5 |
Laconia |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2014-08-01 |
|
| 603-293
| 6 |
Laconia |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2020-03-10 |
|
| 603-293
| 7 |
Laconia |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-293
| 8 |
Laconia |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-293
| 9 |
Laconia |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-294
| A |
Portsmouth |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-294
| 0 |
Portsmouth |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2012-12-15 |
|
| 603-294
| 1 |
Portsmouth |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2010-10-16 |
|
| 603-294
| 2 |
Portsmouth |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2010-04-25 |
|
| 603-294
| 3 |
Portsmouth |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2008-02-04 |
|
| 603-294
| 4 |
Portsmouth |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-294
| 5 |
Portsmouth |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2008-09-03 |
|
| 603-294
| 6 |
Portsmouth |
NH |
|
5562 METROPCS, INC. |
122 |
|
2010-07-12 |
|
| 603-294
| 7 |
Portsmouth |
NH |
|
5562 METROPCS, INC. |
122 |
|
2010-07-12 |
|
| 603-294
| 8 |
Portsmouth |
NH |
|
5562 METROPCS, INC. |
122 |
|
2010-07-12 |
|
| 603-294
| 9 |
Portsmouth |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2014-10-14 |
|
| 603-295
| A |
Durham |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-296
| A |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-296
| 0 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-296
| 1 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-296
| 2 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-296
| 3 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2004-11-05 |
|
| 603-296
| 4 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-296
| 5 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-01-02 |
|
| 603-296
| 6 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-296
| 7 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-01-02 |
|
| 603-296
| 8 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-296
| 9 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-297
| A |
Center Ossipee |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-297
| 0 |
Center Ossipee |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-297
| 1 |
Center Ossipee |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-297
| 2 |
Center Ossipee |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-297
| 4 |
Center Ossipee |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-298
| A |
West Lebanon |
NH |
WRJTVTGADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-298
| 0 |
West Lebanon |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-298
| 2 |
West Lebanon |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-298
| 3 |
West Lebanon |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-298
| 4 |
West Lebanon |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-298
| 5 |
West Lebanon |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-298
| 6 |
West Lebanon |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-298
| 7 |
West Lebanon |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-298
| 8 |
West Lebanon |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-298
| 9 |
West Lebanon |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-299
| A |
Bartlett |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-299
| 9 |
Bartlett |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2017-09-11 |
|
| 603-300
| A |
Chester |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-300
| 0 |
Chester |
NH |
|
5562 METROPCS, INC. |
122 |
|
2004-10-18 |
|
| 603-300
| 2 |
Chester |
NH |
|
5562 METROPCS, INC. |
122 |
|
2005-05-28 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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