Local Calling Guide
Area code/prefix search
NPA: 603
[Rate centres in NPA 603]
[Dial plan for NPA 603]
NXX: 923
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
603-923
| A |
Rochester |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
603-923
| 0 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
603-923
| 1 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
603-923
| 2 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
603-923
| 3 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
603-923
| 4 |
Rochester |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
603-923
| 5 |
Rochester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
603-923
| 7 |
Rochester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
603-923
| 8 |
Rochester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
603-923
| 9 |
Rochester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.