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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-374
| 8 |
Bartlett |
NH |
MNCHNHCOXMX |
4206 PAETEC COMMUNICATIONS, INC. - NH |
122 |
|
2007-12-06 |
|
| 603-374
| 9 |
Bartlett |
NH |
MNCHNHAC7MD |
145J TERRA NOVA TELECOM INC. |
122 |
|
2023-01-04 |
|
| 603-375
| A |
Ashland |
NH |
MNCHNHCOXPZ |
853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) |
122 |
|
|
|
| 603-375
| 4 |
Ashland |
NH |
MNCHNHCOXPZ |
853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) |
122 |
|
2012-10-02 |
|
| 603-376
| A |
Dover |
NH |
MNCHNHCO29Z |
9748 AMERICAN MESSAGING SERVICES, LLC |
122 |
|
|
|
| 603-377
| A |
Merrimack |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-377
| 0 |
Merrimack |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-377
| 1 |
Merrimack |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2016-11-19 |
|
| 603-377
| 2 |
Merrimack |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2021-08-07 |
|
| 603-377
| 3 |
Merrimack |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-01-15 |
|
| 603-377
| 4 |
Merrimack |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-08-28 |
|
| 603-377
| 5 |
Merrimack |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2023-08-26 |
|
| 603-377
| 6 |
Merrimack |
NH |
MNCHNHNI9MD |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
|
|
| 603-377
| 7 |
Merrimack |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2012-04-30 |
|
| 603-377
| 8 |
Merrimack |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2021-11-13 |
|
| 603-377
| 9 |
Merrimack |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-05-27 |
|
| 603-378
| A |
Plaistow |
NH |
PLSTNHMADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-378
| 0 |
Plaistow |
NH |
PLSTNHMADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-378
| 2 |
Plaistow |
NH |
PLSTNHMADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-378
| 3 |
Plaistow |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2021-12-12 |
|
| 603-378
| 5 |
Plaistow |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2016-11-07 |
|
| 603-378
| 8 |
Plaistow |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2022-12-23 |
|
| 603-378
| 9 |
Plaistow |
NH |
PLSTNHMADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-379
| A |
Rye Beach |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
|
|
| 603-379
| 0 |
Rye Beach |
NH |
MNCHNHCOX9Y |
4286 LIGHTSHIP TELECOM, LLC - NH |
122 |
|
2001-03-27 |
|
| 603-379
| 1 |
Rye Beach |
NH |
MNCHNHCOX9Y |
2527 CHOICE ONE OF NEW HAMPSHIRE, INC. |
122 |
|
2000-05-24 |
|
| 603-379
| 2 |
Rye Beach |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2001-06-28 |
|
| 603-379
| 3 |
Rye Beach |
NH |
MNCHNHCOXMX |
4206 PAETEC COMMUNICATIONS, INC. - NH |
122 |
|
2001-04-02 |
|
| 603-379
| 5 |
Rye Beach |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2019-06-18 |
|
| 603-379
| 6 |
Rye Beach |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-07 |
|
| 603-379
| 7 |
Rye Beach |
NH |
DOVRNHTH8MD |
2698 CTC COMMUNICATIONS CORP. - NH |
122 |
|
2004-02-17 |
|
| 603-379
| 8 |
Rye Beach |
NH |
PTMONH07DS1 |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2001-10-31 |
|
| 603-379
| 9 |
Rye Beach |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2015-02-16 |
|
| 603-380
| A |
Portsmouth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 0 |
Portsmouth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 1 |
Portsmouth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 2 |
Portsmouth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 3 |
Portsmouth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 4 |
Portsmouth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 5 |
Portsmouth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 6 |
Portsmouth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-380
| 7 |
Portsmouth |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2015-10-09 |
|
| 603-380
| 8 |
Portsmouth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2010-09-11 |
|
| 603-380
| 9 |
Portsmouth |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2015-08-13 |
|
| 603-381
| A |
West Lebanon |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
|
|
| 603-382
| A |
Plaistow |
NH |
PLSTNHMADS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-383
| A |
Jackson |
NH |
JCSNNHTHRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-383
| 0 |
Jackson |
NH |
JCSNNHTHRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-383
| 1 |
Jackson |
NH |
MNCHNHCOX9Y |
2527 CHOICE ONE OF NEW HAMPSHIRE, INC. |
122 |
|
2000-05-24 |
|
| 603-383
| 2 |
Jackson |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2015-05-01 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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