Local Calling Guide
Area code/prefix search
NPA: 603
[Rate centres in NPA 603]
[Dial plan for NPA 603]
NXX: 389
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
603-389
| A |
Durham |
NH |
MNCHNHCOX9Y |
2527 CHOICE ONE OF NEW HAMPSHIRE, INC. |
122 |
|
|
|
603-389
| 0 |
Durham |
NH |
MNCHNHCOX9Y |
4286 LIGHTSHIP TELECOM, LLC - NH |
122 |
|
|
|
603-389
| 1 |
Durham |
NH |
MNCHNHCOXMX |
4206 PAETEC COMMUNICATIONS, INC. - NH |
122 |
|
|
|
603-389
| 2 |
Durham |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
603-389
| 3 |
Durham |
NH |
PTMONH07DS1 |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
|
|
603-389
| 4 |
Durham |
NH |
MNCHNHCOX9Y |
2527 CHOICE ONE OF NEW HAMPSHIRE, INC. |
122 |
|
|
|
603-389
| 5 |
Durham |
NH |
MNCHNHCOX9Y |
2527 CHOICE ONE OF NEW HAMPSHIRE, INC. |
122 |
|
|
|
603-389
| 6 |
Durham |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
603-389
| 7 |
Durham |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
603-389
| 8 |
Durham |
NH |
ROCHNHWE4MD |
314C IDT AMERICA, CORP. - NH |
122 |
|
|
|
603-389
| 9 |
Durham |
NH |
MNCHNHCOX9Y |
2527 CHOICE ONE OF NEW HAMPSHIRE, INC. |
122 |
|
|
|
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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