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 |
| 603-484
| 1 |
Nashua |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-08-31 |
|
| 603-484
| 2 |
Nashua |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2020-09-23 |
|
| 603-484
| 3 |
Nashua |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-01-19 |
|
| 603-484
| 4 |
Nashua |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2016-12-16 |
|
| 603-484
| 5 |
Nashua |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2019-08-29 |
|
| 603-484
| 6 |
Nashua |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2019-04-29 |
|
| 603-484
| 7 |
Nashua |
NH |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
122 |
|
2017-06-14 |
|
| 603-484
| 8 |
Nashua |
NH |
|
927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
122 |
|
2018-03-24 |
|
| 603-484
| 9 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2018-10-07 |
|
| 603-485
| A |
Suncook |
NH |
SNCKNHPARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-485
| 0 |
Suncook |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2019-06-26 |
|
| 603-485
| 1 |
Suncook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-485
| 2 |
Suncook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-485
| 3 |
Suncook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-485
| 4 |
Suncook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-485
| 5 |
Suncook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-485
| 6 |
Suncook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-485
| 7 |
Suncook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-485
| 8 |
Suncook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-485
| 9 |
Suncook |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-486
| A |
Manchester |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-486
| 0 |
Manchester |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2015-05-11 |
|
| 603-486
| 1 |
Manchester |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2008-07-17 |
|
| 603-486
| 2 |
Manchester |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-486
| 3 |
Manchester |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-486
| 4 |
Manchester |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-486
| 5 |
Manchester |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-486
| 6 |
Manchester |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-486
| 7 |
Manchester |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-486
| 8 |
Manchester |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-486
| 9 |
Manchester |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-487
| A |
New Boston |
NH |
NBTNNHHPRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-487
| 0 |
New Boston |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2017-07-31 |
|
| 603-487
| 1 |
New Boston |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2006-10-31 |
|
| 603-487
| 2 |
New Boston |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-487
| 3 |
New Boston |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-487
| 5 |
New Boston |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-487
| 6 |
New Boston |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-09-12 |
|
| 603-487
| 7 |
New Boston |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2016-04-15 |
|
| 603-487
| 9 |
New Boston |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2014-06-21 |
|
| 603-488
| A |
Bedford |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-488
| 0 |
Bedford |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-08-08 |
|
| 603-488
| 1 |
Bedford |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-488
| 2 |
Bedford |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-488
| 5 |
Bedford |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-488
| 6 |
Bedford |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2007-12-11 |
|
| 603-488
| 7 |
Bedford |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-08-30 |
|
| 603-488
| 9 |
Bedford |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2024-12-28 |
|
| 603-489
| A |
Hampstead |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-489
| 0 |
Hampstead |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2002-03-15 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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