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 |
| 603-763
| 9 |
Sunapee |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-764
| A |
Warren |
NH |
WRRNNHMARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-764
| 1 |
Warren |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-04-27 |
|
| 603-764
| 5 |
Warren |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-764
| 6 |
Warren |
NH |
|
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2012-10-02 |
|
| 603-764
| 7 |
Warren |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-05 |
|
| 603-764
| 8 |
Warren |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-11-16 |
|
| 603-764
| 9 |
Warren |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-765
| A |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2024-02-09 |
|
| 603-765
| 0 |
Nashua |
NH |
|
5562 METROPCS, INC. |
122 |
|
|
|
| 603-765
| 1 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-765
| 2 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-765
| 3 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-765
| 4 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-765
| 5 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-765
| 6 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-765
| 7 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-765
| 8 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-765
| 9 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-766
| A |
Portsmouth |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-767
| A |
Dover |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-768
| A |
Danbury |
NH |
DNBRNHDBRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-768
| 0 |
Danbury |
NH |
|
939H COMMIO, LLC |
122 |
|
2022-06-12 |
|
| 603-768
| 1 |
Danbury |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-09-10 |
|
| 603-768
| 3 |
Danbury |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-768
| 4 |
Danbury |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2002-09-10 |
|
| 603-768
| 5 |
Danbury |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-768
| 7 |
Danbury |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2006-10-30 |
|
| 603-768
| 9 |
Danbury |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2014-06-20 |
|
| 603-769
| A |
Milford |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-769
| 0 |
Milford |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-08-07 |
|
| 603-769
| 1 |
Milford |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-09-02 |
|
| 603-769
| 3 |
Milford |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-04-15 |
|
| 603-769
| 4 |
Milford |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-769
| 5 |
Milford |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-10-10 |
|
| 603-769
| 6 |
Milford |
NH |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2002-11-15 |
|
| 603-769
| 7 |
Milford |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-08-02 |
|
| 603-769
| 8 |
Milford |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-04-15 |
|
| 603-769
| 9 |
Milford |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-02-17 |
|
| 603-770
| A |
Exeter |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-771
| A |
Manchester |
NH |
MNCHNHCODS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-772
| A |
Exeter |
NH |
EXTRNHCEDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-773
| A |
Exeter |
NH |
EXTRNHCEDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-773
| 0 |
Exeter |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-773
| 1 |
Exeter |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-773
| 2 |
Exeter |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-773
| 3 |
Exeter |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2011-12-19 |
|
| 603-773
| 4 |
Exeter |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-773
| 5 |
Exeter |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-773
| 6 |
Exeter |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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