Local Calling Guide
Area code/prefix search
NPA: 603
[Rate centres in NPA 603]
[Dial plan for NPA 603]
NXX: 699
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-699
| A |
Nashua |
NH |
MNCHNHNIZMD |
732J NUSO, LLC |
122 |
|
|
|
| 603-699
| 0 |
Nashua |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-08-20 |
|
| 603-699
| 1 |
Nashua |
NH |
MNCHNHNIZMD |
732J NUSO, LLC |
122 |
|
2023-10-14 |
|
| 603-699
| 2 |
Nashua |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-12-15 |
|
| 603-699
| 3 |
Nashua |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2024-12-15 |
|
| 603-699
| 4 |
Nashua |
NH |
MNCHNHBO2MD |
490J DISH WIRELESS, LLC |
122 |
|
2023-11-05 |
|
| 603-699
| 5 |
Nashua |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2024-01-19 |
|
| 603-699
| 6 |
Nashua |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2023-10-14 |
|
| 603-699
| 7 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2023-08-19 |
|
| 603-699
| 8 |
Nashua |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2023-08-19 |
|
| 603-699
| 9 |
Nashua |
NH |
MNCHNHBODS0 |
927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
122 |
|
2023-08-08 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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