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 |
| 603-933
| 5 |
Greenfield |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2025-02-02 |
|
| 603-933
| 7 |
Greenfield |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2024-07-27 |
|
| 603-933
| 8 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2022-08-26 |
|
| 603-933
| 9 |
Greenfield |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2019-07-25 |
|
| 603-934
| A |
Franklin |
NH |
FKLNNHFRRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-935
| A |
Manchester |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-935
| 0 |
Manchester |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2019-11-29 |
|
| 603-935
| 1 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2017-10-31 |
|
| 603-935
| 2 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2017-10-31 |
|
| 603-935
| 3 |
Manchester |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2017-10-31 |
|
| 603-935
| 4 |
Manchester |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
2010-11-26 |
|
| 603-935
| 5 |
Manchester |
NH |
MNCHNHCOXCZ |
996E BANDWIDTH.COM CLEC, LLC - NH |
122 |
|
2006-05-26 |
|
| 603-935
| 6 |
Manchester |
NH |
DOVRNHTHXEX |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2018-02-02 |
|
| 603-935
| 7 |
Manchester |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2006-11-30 |
|
| 603-935
| 8 |
Manchester |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2006-11-30 |
|
| 603-935
| 9 |
Manchester |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2006-11-30 |
|
| 603-937
| A |
Meredith |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
|
|
| 603-937
| 0 |
Meredith |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-08-14 |
|
| 603-937
| 1 |
Meredith |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2009-01-05 |
|
| 603-937
| 2 |
Meredith |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2023-02-10 |
|
| 603-937
| 3 |
Meredith |
NH |
MNCHNHCO42Z |
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2013-07-30 |
|
| 603-937
| 4 |
Meredith |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2014-06-01 |
|
| 603-937
| 5 |
Meredith |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2019-08-10 |
|
| 603-937
| 6 |
Meredith |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2017-07-29 |
|
| 603-937
| 7 |
Meredith |
NH |
MNCHNHCOCM1 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2010-05-19 |
|
| 603-937
| 8 |
Meredith |
NH |
|
5562 METROPCS, INC. |
122 |
|
2015-03-16 |
|
| 603-938
| A |
Bradford |
NH |
BRFRNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-938
| 0 |
Bradford |
NH |
BRFRNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-938
| 1 |
Bradford |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2025-07-11 |
|
| 603-938
| 2 |
Bradford |
NH |
BRFRNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-938
| 5 |
Bradford |
NH |
BRFRNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-938
| 6 |
Bradford |
NH |
BRFRNHXARP0 |
0047 MERRIMACK COUNTY TEL. CO. |
122 |
|
|
|
| 603-938
| 9 |
Bradford |
NH |
|
145J TERRA NOVA TELECOM INC. |
122 |
|
2026-03-14 |
|
| 603-939
| A |
East Conway |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 0 |
East Conway |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 1 |
East Conway |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 2 |
East Conway |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 3 |
East Conway |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 4 |
East Conway |
NH |
MNCHNHCO42Z |
793K TWC IP ENABLED SERVICES, LLC |
122 |
|
2012-10-22 |
|
| 603-939
| 6 |
East Conway |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 7 |
East Conway |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 8 |
East Conway |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-939
| 9 |
East Conway |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-941
| A |
Wolfeboro |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-941
| 0 |
Wolfeboro |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-03-26 |
|
| 603-941
| 1 |
Wolfeboro |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2015-11-24 |
|
| 603-941
| 3 |
Wolfeboro |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2005-07-01 |
|
| 603-941
| 4 |
Wolfeboro |
NH |
MNCHNHCOX8Z |
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2003-03-23 |
|
| 603-941
| 5 |
Wolfeboro |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2013-03-05 |
|
| 603-941
| 6 |
Wolfeboro |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2025-07-31 |
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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