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 |
| 603-639
| 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 |
|
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 |
|
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 |
|
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 |
|
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 |
|
490J DISH WIRELESS, LLC |
122 |
|
2023-10-27 |
|
| 603-642
| 3 |
Kingston |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 4 |
Kingston |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 5 |
Kingston |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 6 |
Kingston |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 7 |
Kingston |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 8 |
Kingston |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-642
| 9 |
Kingston |
NH |
|
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 |
|
0045 KEARSARGE TEL. CO. |
122 |
|
|
|
| 603-648
| 2 |
Salisbury |
NH |
|
0045 KEARSARGE TEL. CO. |
122 |
|
|
|
| 603-648
| 6 |
Salisbury |
NH |
|
0045 KEARSARGE TEL. CO. |
122 |
|
|
|
| 603-649
| A |
Jaffrey |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-649
| 7 |
Jaffrey |
NH |
|
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 |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-651
| 1 |
Center Ossipee |
NH |
|
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2012-10-02 |
|
| 603-651
| 3 |
Center Ossipee |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-31 |
|
| 603-651
| 5 |
Center Ossipee |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-651
| 6 |
Center Ossipee |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-651
| 7 |
Center Ossipee |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-651
| 8 |
Center Ossipee |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-651
| 9 |
Center Ossipee |
NH |
|
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-652
| A |
Milton |
NH |
MLTNNHSIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-652
| 0 |
Milton |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-652
| 1 |
Milton |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-09-15 |
|
| 603-652
| 3 |
Milton |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2003-03-23 |
|
| 603-652
| 4 |
Milton |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-652
| 7 |
Milton |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-652
| 8 |
Milton |
NH |
|
314C IDT AMERICA, CORP. - NH |
122 |
|
2008-04-18 |
|
| 603-652
| 9 |
Milton |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-653
| A |
Hanover |
NH |
HNVRNHSCDS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-653
| 0 |
Hanover |
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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