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 |
| 603-921
| 3 |
Nashua |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2016-07-06 |
|
| 603-921
| 4 |
Nashua |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2013-08-01 |
|
| 603-921
| 5 |
Nashua |
NH |
|
792K CHARTER IP ENABLED SERVICES, LLC |
122 |
|
2012-05-24 |
|
| 603-921
| 6 |
Nashua |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-08-01 |
|
| 603-921
| 7 |
Nashua |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2011-06-20 |
|
| 603-921
| 8 |
Nashua |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2011-06-20 |
|
| 603-921
| 9 |
Nashua |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2014-07-01 |
|
| 603-922
| A |
North Stratford |
NH |
NSFRNHMARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-922
| 2 |
North Stratford |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2019-11-17 |
|
| 603-922
| 3 |
North Stratford |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-922
| 4 |
North Stratford |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-27 |
|
| 603-922
| 7 |
North Stratford |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-02 |
|
| 603-922
| 9 |
North Stratford |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2014-06-21 |
|
| 603-923
| A |
Rochester |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-923
| 0 |
Rochester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-06-17 |
|
| 603-923
| 1 |
Rochester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2011-02-03 |
|
| 603-923
| 2 |
Rochester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-11-01 |
|
| 603-923
| 3 |
Rochester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-05-03 |
|
| 603-923
| 4 |
Rochester |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-923
| 5 |
Rochester |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2012-09-01 |
|
| 603-923
| 7 |
Rochester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2013-06-28 |
|
| 603-923
| 8 |
Rochester |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2010-04-12 |
|
| 603-923
| 9 |
Rochester |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2009-06-08 |
|
| 603-924
| A |
Peterborough |
NH |
PTRBNHCORS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-925
| A |
Peterborough |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-925
| 0 |
Peterborough |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-925
| 1 |
Peterborough |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-925
| 2 |
Peterborough |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-925
| 3 |
Peterborough |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-925
| 4 |
Peterborough |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-925
| 6 |
Peterborough |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2021-12-11 |
|
| 603-925
| 9 |
Peterborough |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-926
| A |
Hampton |
NH |
HMPNNHWIDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-927
| A |
Sutton |
NH |
STTNNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-927
| 0 |
Sutton |
NH |
|
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-927
| 1 |
Sutton |
NH |
|
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-927
| 2 |
Sutton |
NH |
|
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-927
| 4 |
Sutton |
NH |
|
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-927
| 6 |
Sutton |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-07-11 |
|
| 603-928
| A |
Suncook |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-928
| 0 |
Suncook |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-928
| 1 |
Suncook |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2025-08-29 |
|
| 603-928
| 3 |
Suncook |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-928
| 4 |
Suncook |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-928
| 7 |
Suncook |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-05 |
|
| 603-928
| 8 |
Suncook |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-928
| 9 |
Suncook |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-929
| A |
Hampton |
NH |
HMPNNHWIDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-930
| A |
Nashua |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-931
| A |
Concord |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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