Local Calling Guide
Area code/prefix search
NPA: 603
[Rate centres in NPA 603]
[Dial plan for NPA 603]
NXX: 581
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-581
| A |
Laconia |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-581
| 0 |
Laconia |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-581
| 1 |
Laconia |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2004-11-28 |
|
| 603-581
| 2 |
Laconia |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2000-08-08 |
|
| 603-581
| 3 |
Laconia |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2015-05-13 |
|
| 603-581
| 4 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-12-14 |
|
| 603-581
| 5 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-01-14 |
|
| 603-581
| 6 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-03-03 |
|
| 603-581
| 7 |
Laconia |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-581
| 8 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-08-02 |
|
| 603-581
| 9 |
Laconia |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2007-08-02 |
|
Last updated: Sun, 27 Apr 2025 12:48:38 UTC
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