Local Calling Guide
Area code/prefix search
NPA: 603
[Rate centres in NPA 603]
[Dial plan for NPA 603]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-674
| 4 |
Manchester |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 5 |
Manchester |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 6 |
Manchester |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 7 |
Manchester |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 8 |
Manchester |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-674
| 9 |
Manchester |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-675
| A |
Plainfield |
NH |
WNDSVTPI675 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-675
| 2 |
Plainfield |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-675
| 5 |
Plainfield |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-675
| 6 |
Plainfield |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-675
| 9 |
Plainfield |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-676
| A |
Hanover |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 0 |
Hanover |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 1 |
Hanover |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 2 |
Hanover |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 3 |
Hanover |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 4 |
Hanover |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-676
| 5 |
Hanover |
NH |
|
7421 AT&T - LOCAL |
122 |
|
2006-09-30 |
|
| 603-676
| 6 |
Hanover |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-11-01 |
|
| 603-676
| 7 |
Hanover |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-676
| 8 |
Hanover |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-05-01 |
|
| 603-676
| 9 |
Hanover |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-09-16 |
|
| 603-677
| A |
Meredith |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-677
| 0 |
Meredith |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2002-09-19 |
|
| 603-677
| 1 |
Meredith |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-05-27 |
|
| 603-677
| 2 |
Meredith |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2003-04-07 |
|
| 603-677
| 3 |
Meredith |
NH |
|
8281 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - SD |
122 |
|
2001-03-30 |
|
| 603-677
| 4 |
Meredith |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2004-12-13 |
|
| 603-677
| 5 |
Meredith |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2005-01-24 |
|
| 603-677
| 6 |
Meredith |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-08-01 |
|
| 603-677
| 7 |
Meredith |
NH |
|
314C IDT AMERICA, CORP. - NH |
122 |
|
2008-04-18 |
|
| 603-677
| 8 |
Meredith |
NH |
|
8281 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - SD |
122 |
|
2003-10-07 |
|
| 603-677
| 9 |
Meredith |
NH |
|
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-678
| A |
Lebanon |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-678
| 0 |
Lebanon |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2022-03-11 |
|
| 603-678
| 1 |
Lebanon |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-09-20 |
|
| 603-678
| 2 |
Lebanon |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-08-08 |
|
| 603-678
| 3 |
Lebanon |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2015-10-29 |
|
| 603-678
| 4 |
Lebanon |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-678
| 5 |
Lebanon |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2015-09-14 |
|
| 603-678
| 6 |
Lebanon |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2016-09-21 |
|
| 603-678
| 7 |
Lebanon |
NH |
|
073H TELNYX LLC |
122 |
|
2023-02-03 |
|
| 603-678
| 8 |
Lebanon |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2012-05-18 |
|
| 603-678
| 9 |
Lebanon |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2013-07-31 |
|
| 603-679
| A |
Epping |
NH |
EPNGNHMARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-679
| 0 |
Epping |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-11-30 |
|
| 603-679
| 1 |
Epping |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-679
| 2 |
Epping |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-679
| 3 |
Epping |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-679
| 4 |
Epping |
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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