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 |
| 603-636
| 6 |
Groveton |
NH |
GVTNNHSTRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-636
| 7 |
Groveton |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-636
| 8 |
Groveton |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2019-03-22 |
|
| 603-636
| 9 |
Groveton |
NH |
GVTNNHSTRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-637
| A |
Bedford |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-637
| 0 |
Bedford |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2024-04-08 |
|
| 603-637
| 1 |
Bedford |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-05-24 |
|
| 603-637
| 2 |
Bedford |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2008-07-03 |
|
| 603-637
| 4 |
Bedford |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2013-02-28 |
|
| 603-637
| 6 |
Bedford |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2026-06-04 |
|
| 603-637
| 9 |
Bedford |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-638
| A |
Monroe |
NH |
BARNVTCHRS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-638
| 1 |
Monroe |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-01-12 |
|
| 603-638
| 2 |
Monroe |
NH |
BARNVTCHRS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-638
| 4 |
Monroe |
NH |
BARNVTCHRS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-638
| 7 |
Monroe |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2022-07-01 |
|
| 603-638
| 8 |
Monroe |
NH |
MNCHNHCO42Z |
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2012-10-02 |
|
| 603-639
| A |
Manchester |
NH |
MNCHNHCODS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-640
| A |
Hanover |
NH |
HNVRNHSCDS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-640
| 1 |
Hanover |
NH |
HNVRNHSCDS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-640
| 2 |
Hanover |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-03-26 |
|
| 603-640
| 3 |
Hanover |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-01-20 |
|
| 603-640
| 4 |
Hanover |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-01-13 |
|
| 603-640
| 6 |
Hanover |
NH |
HNVRNHSCDS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-640
| 8 |
Hanover |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2003-05-19 |
|
| 603-640
| 9 |
Hanover |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2022-12-23 |
|
| 603-641
| A |
Manchester |
NH |
MNCHNHCODS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| A |
Kingston |
NH |
KGTNNHBADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 1 |
Kingston |
NH |
MNCHNHBO2MD |
490J BOOST SUBSCRIBERCO L.L.C. |
122 |
|
2023-10-27 |
|
| 603-642
| 3 |
Kingston |
NH |
KGTNNHBADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 4 |
Kingston |
NH |
KGTNNHBADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 5 |
Kingston |
NH |
KGTNNHBADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 6 |
Kingston |
NH |
KGTNNHBADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 7 |
Kingston |
NH |
KGTNNHBADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 8 |
Kingston |
NH |
KGTNNHBADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 9 |
Kingston |
NH |
KGTNNHBADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-643
| A |
Hanover |
NH |
HNVRNHSCDS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-644
| A |
Manchester |
NH |
MNCHNHCODS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-645
| A |
Manchester |
NH |
MNCHNHCODS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-646
| A |
Hanover |
NH |
HNVRNHSCDS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-647
| A |
Manchester |
NH |
MNCHNHCODS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-648
| A |
Salisbury |
NH |
SLBRNHXARP0 |
0045 KEARSARGE TEL. CO. |
122 |
|
|
|
| 603-648
| 0 |
Salisbury |
NH |
SLBRNHXARP0 |
0045 KEARSARGE TEL. CO. |
122 |
|
|
|
| 603-648
| 2 |
Salisbury |
NH |
SLBRNHXARP0 |
0045 KEARSARGE TEL. CO. |
122 |
|
|
|
| 603-648
| 6 |
Salisbury |
NH |
SLBRNHXARP0 |
0045 KEARSARGE TEL. CO. |
122 |
|
|
|
| 603-649
| A |
Jaffrey |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-649
| 7 |
Jaffrey |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2022-11-30 |
|
| 603-650
| A |
Hanover |
NH |
LBNNNHMSRSA |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-651
| A |
Center Ossipee |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-651
| 0 |
Center Ossipee |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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