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
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-998
| 6 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2009-03-07 |
|
| 603-998
| 7 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2010-02-16 |
|
| 603-998
| 8 |
Laconia |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2006-05-18 |
|
| 603-998
| 9 |
Laconia |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
|
|
| 603-999
| A |
Salem |
NH |
MNCHNHCO26Z |
965H FRACTEL, LLC |
122 |
|
|
|
| 603-999
| 0 |
Salem |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-01-07 |
|
| 603-999
| 1 |
Salem |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2021-11-11 |
|
| 603-999
| 2 |
Salem |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2021-11-11 |
|
| 603-999
| 3 |
Salem |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2020-10-22 |
|
| 603-999
| 4 |
Salem |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2021-11-11 |
|
| 603-999
| 5 |
Salem |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2021-11-11 |
|
| 603-999
| 6 |
Salem |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2021-11-11 |
|
| 603-999
| 7 |
Salem |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-01-07 |
|
| 603-999
| 8 |
Salem |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-01-07 |
|
| 603-999
| 9 |
Salem |
NH |
MNCHNHCO26Z |
965H FRACTEL, LLC |
122 |
|
2020-01-30 |
|
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Last updated: Sun, 01 Jun 2025 02:18:11 UTC
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