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 |
| 603-937
| 7 |
Meredith |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2010-05-19 |
|
| 603-937
| 8 |
Meredith |
NH |
|
5562 METROPCS, INC. |
122 |
|
2015-03-16 |
|
| 603-938
| A |
Bradford |
NH |
BRFRNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-938
| 0 |
Bradford |
NH |
|
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-938
| 1 |
Bradford |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-07-11 |
|
| 603-938
| 2 |
Bradford |
NH |
|
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-938
| 5 |
Bradford |
NH |
|
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-938
| 6 |
Bradford |
NH |
|
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-939
| A |
East Conway |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 0 |
East Conway |
NH |
|
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 1 |
East Conway |
NH |
|
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 2 |
East Conway |
NH |
|
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 3 |
East Conway |
NH |
|
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 4 |
East Conway |
NH |
|
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2012-10-22 |
|
| 603-939
| 6 |
East Conway |
NH |
|
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 7 |
East Conway |
NH |
|
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 8 |
East Conway |
NH |
|
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 9 |
East Conway |
NH |
|
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-941
| A |
Wolfeboro |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-941
| 0 |
Wolfeboro |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-03-26 |
|
| 603-941
| 1 |
Wolfeboro |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2015-11-24 |
|
| 603-941
| 3 |
Wolfeboro |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-07-01 |
|
| 603-941
| 4 |
Wolfeboro |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2003-03-23 |
|
| 603-941
| 5 |
Wolfeboro |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2013-03-05 |
|
| 603-941
| 6 |
Wolfeboro |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2025-07-31 |
|
| 603-941
| 8 |
Wolfeboro |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2016-05-11 |
|
| 603-941
| 9 |
Wolfeboro |
NH |
|
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-942
| A |
Northwood |
NH |
NWODNHYARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-942
| 1 |
Northwood |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-12-12 |
|
| 603-942
| 2 |
Northwood |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2002-09-19 |
|
| 603-942
| 5 |
Northwood |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-942
| 6 |
Northwood |
NH |
|
314C IDT AMERICA, CORP. - NH |
122 |
|
2008-04-18 |
|
| 603-942
| 7 |
Northwood |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-942
| 8 |
Northwood |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-942
| 9 |
Northwood |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-943
| A |
Nashua |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 0 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 1 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 2 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 3 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 4 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 5 |
Nashua |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2009-02-09 |
|
| 603-943
| 6 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-943
| 7 |
Nashua |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2011-08-05 |
|
| 603-943
| 8 |
Nashua |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2012-09-19 |
|
| 603-943
| 9 |
Nashua |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-944
| A |
South Hampton |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-944
| 0 |
South Hampton |
NH |
|
5562 METROPCS, INC. |
122 |
|
|
|
| 603-944
| 1 |
South Hampton |
NH |
|
5562 METROPCS, INC. |
122 |
|
|
|
| 603-944
| 2 |
South Hampton |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2003-08-03 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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