Local Calling Guide
Area code/prefix search
NPA: 603
[Rate centres in NPA 603]
[Dial plan for NPA 603]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-696
| 0 |
Manchester |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2022-01-07 |
|
| 603-696
| 1 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2021-08-01 |
|
| 603-696
| 2 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2021-08-01 |
|
| 603-696
| 3 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2021-08-01 |
|
| 603-696
| 4 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2021-09-10 |
|
| 603-696
| 5 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2021-09-10 |
|
| 603-696
| 6 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2021-06-16 |
|
| 603-696
| 7 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2021-09-10 |
|
| 603-696
| 8 |
Manchester |
NH |
DOVRNHTHGMD |
624H ONVOY SPECTRUM, LLC |
122 |
|
2021-09-26 |
|
| 603-696
| 9 |
Manchester |
NH |
DOVRNHTHGMD |
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 |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-08-20 |
|
| 603-697
| 1 |
Dover |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2022-11-20 |
|
| 603-697
| 2 |
Dover |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2022-11-20 |
|
| 603-697
| 3 |
Dover |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2022-11-20 |
|
| 603-697
| 4 |
Dover |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-04-07 |
|
| 603-697
| 5 |
Dover |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-09-09 |
|
| 603-697
| 6 |
Dover |
NH |
MNCHNHBODS0 |
927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
122 |
|
2023-06-22 |
|
| 603-697
| 7 |
Dover |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-12-01 |
|
| 603-697
| 8 |
Dover |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-02-19 |
|
| 603-697
| 9 |
Dover |
NH |
MNCHNHBODS0 |
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 |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-08-20 |
|
| 603-698
| 1 |
Manchester |
NH |
MNCHNHNIX0X |
732J NUSO, LLC |
122 |
|
2023-10-14 |
|
| 603-698
| 2 |
Manchester |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2023-08-19 |
|
| 603-698
| 3 |
Manchester |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2023-08-19 |
|
| 603-698
| 4 |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-08-08 |
|
| 603-698
| 5 |
Manchester |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2024-11-27 |
|
| 603-698
| 6 |
Manchester |
NH |
MNCHNHBO2MD |
490J BOOST SUBSCRIBERCO L.L.C. |
122 |
|
2023-10-27 |
|
| 603-698
| 7 |
Manchester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2023-10-23 |
|
| 603-698
| 8 |
Manchester |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2023-10-23 |
|
| 603-698
| 9 |
Manchester |
NH |
DRRYNHBC1MD |
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 |
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 BOOST SUBSCRIBERCO L.L.C. |
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 |
|
| 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 |
ROCHNHWE4MD |
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 |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-702
| 1 |
Kingston |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-702
| 2 |
Kingston |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 >>
Last updated: Tue, 31 Mar 2026 13:56:49 UTC
Sponsored by: LES.NET
Like this site? We accept donations via PayPal.