Local Calling Guide
Area code/prefix search
NPA: 603
[Rate centres in NPA 603]
[Dial plan for NPA 603]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-696
| 3 |
Manchester |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2021-08-01 |
|
| 603-696
| 4 |
Manchester |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2021-09-10 |
|
| 603-696
| 5 |
Manchester |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2021-09-10 |
|
| 603-696
| 6 |
Manchester |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2021-06-16 |
|
| 603-696
| 7 |
Manchester |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2021-09-10 |
|
| 603-696
| 8 |
Manchester |
NH |
|
624H ONVOY SPECTRUM, LLC |
122 |
|
2021-09-26 |
|
| 603-696
| 9 |
Manchester |
NH |
|
624H ONVOY SPECTRUM, LLC |
122 |
|
2021-09-26 |
|
| 603-697
| A |
Dover |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-697
| 0 |
Dover |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2023-08-20 |
|
| 603-697
| 1 |
Dover |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2022-11-20 |
|
| 603-697
| 2 |
Dover |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2022-11-20 |
|
| 603-697
| 3 |
Dover |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2022-11-20 |
|
| 603-697
| 4 |
Dover |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2023-04-07 |
|
| 603-697
| 5 |
Dover |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2023-09-09 |
|
| 603-697
| 6 |
Dover |
NH |
|
927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
122 |
|
2023-06-22 |
|
| 603-697
| 7 |
Dover |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2022-12-01 |
|
| 603-697
| 8 |
Dover |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2023-02-19 |
|
| 603-697
| 9 |
Dover |
NH |
|
927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
122 |
|
2022-11-24 |
|
| 603-698
| A |
Manchester |
NH |
MNCHNHNIX0X |
732J NUSO, LLC |
122 |
|
|
|
| 603-698
| 0 |
Manchester |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2023-08-20 |
|
| 603-698
| 1 |
Manchester |
NH |
|
732J NUSO, LLC |
122 |
|
2023-10-14 |
|
| 603-698
| 2 |
Manchester |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2023-08-19 |
|
| 603-698
| 3 |
Manchester |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2023-08-19 |
|
| 603-698
| 4 |
Manchester |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2023-08-08 |
|
| 603-698
| 5 |
Manchester |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2024-11-27 |
|
| 603-698
| 6 |
Manchester |
NH |
|
490J DISH WIRELESS, LLC |
122 |
|
2023-10-27 |
|
| 603-698
| 7 |
Manchester |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2023-10-23 |
|
| 603-698
| 8 |
Manchester |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2023-10-23 |
|
| 603-698
| 9 |
Manchester |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2023-08-24 |
|
| 603-699
| A |
Nashua |
NH |
MNCHNHNIZMD |
732J NUSO, LLC |
122 |
|
|
|
| 603-699
| 0 |
Nashua |
NH |
|
637E ONVOY, LLC - NH |
122 |
|
2023-08-20 |
|
| 603-699
| 1 |
Nashua |
NH |
|
732J NUSO, LLC |
122 |
|
2023-10-14 |
|
| 603-699
| 2 |
Nashua |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-12-15 |
|
| 603-699
| 3 |
Nashua |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2024-12-15 |
|
| 603-699
| 4 |
Nashua |
NH |
|
490J DISH WIRELESS, LLC |
122 |
|
2023-11-05 |
|
| 603-699
| 5 |
Nashua |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2024-01-19 |
|
| 603-699
| 6 |
Nashua |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2023-10-14 |
|
| 603-699
| 7 |
Nashua |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2023-08-19 |
|
| 603-699
| 8 |
Nashua |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2023-08-19 |
|
| 603-699
| 9 |
Nashua |
NH |
|
927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
122 |
|
2023-08-08 |
|
| 603-701
| A |
New Durham |
NH |
ROCHNHWE4MD |
314C IDT AMERICA, CORP. - NH |
122 |
|
|
|
| 603-701
| 1 |
New Durham |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2025-10-09 |
|
| 603-701
| 2 |
New Durham |
NH |
|
314C IDT AMERICA, CORP. - NH |
122 |
|
2009-12-11 |
|
| 603-702
| A |
Kingston |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-702
| 0 |
Kingston |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-702
| 1 |
Kingston |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-702
| 2 |
Kingston |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-702
| 3 |
Kingston |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-702
| 4 |
Kingston |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-12-14 |
|
| 603-702
| 5 |
Kingston |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2012-01-21 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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