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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-554
| 6 |
Milford |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-554
| 7 |
Milford |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-554
| 8 |
Milford |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2011-06-27 |
|
| 603-554
| 9 |
Milford |
NH |
MNCHNHCOXMX |
4206 PAETEC COMMUNICATIONS, INC. - NH |
122 |
|
2012-05-18 |
|
| 603-556
| A |
Laconia |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-556
| 0 |
Laconia |
NH |
MNCHNHNI9MD |
5562 METROPCS, INC. |
122 |
|
2003-06-04 |
|
| 603-556
| 1 |
Laconia |
NH |
MNCHNHNI9MD |
5562 METROPCS, INC. |
122 |
|
2003-06-04 |
|
| 603-556
| 2 |
Laconia |
NH |
MNCHNHNI9MD |
5562 METROPCS, INC. |
122 |
|
2003-06-04 |
|
| 603-556
| 3 |
Laconia |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2021-08-02 |
|
| 603-556
| 4 |
Laconia |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-556
| 5 |
Laconia |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-02-23 |
|
| 603-556
| 6 |
Laconia |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2022-08-04 |
|
| 603-556
| 7 |
Laconia |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-07-15 |
|
| 603-556
| 8 |
Laconia |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-07-15 |
|
| 603-556
| 9 |
Laconia |
NH |
ROCHNHWE4MD |
314C IDT AMERICA, CORP. - NH |
122 |
|
2010-08-08 |
|
| 603-557
| A |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2024-02-09 |
|
| 603-557
| 0 |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-557
| 1 |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-557
| 2 |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-557
| 3 |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-557
| 4 |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-557
| 5 |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-557
| 6 |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-557
| 7 |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-557
| 8 |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-557
| 9 |
Nashua |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-558
| A |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-558
| 0 |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-558
| 1 |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-558
| 2 |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-558
| 3 |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-558
| 4 |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-558
| 5 |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-558
| 6 |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-07-27 |
|
| 603-558
| 7 |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-10-13 |
|
| 603-558
| 8 |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-558
| 9 |
Claremont |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2014-01-06 |
|
| 603-559
| A |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-560
| A |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-560
| 0 |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-560
| 1 |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-560
| 2 |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-560
| 3 |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-560
| 4 |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-560
| 5 |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-560
| 6 |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-560
| 7 |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-560
| 8 |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-560
| 9 |
Salem |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2011-06-15 |
|
| 603-561
| A |
Nashua |
NH |
NASHNHWPDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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