Local Calling Guide
Area code/prefix search
Hampstead, NH
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 603-329
| A |
HMPSNHMARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-329
| 0 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-329
| 1 |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-09-24 |
|
| 603-329
| 2 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2018-10-08 |
|
| 603-329
| 3 |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-04 |
|
| 603-329
| 4 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-329
| 5 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-329
| 6 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-329
| 7 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-329
| 8 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-329
| 9 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-362
| A |
ATSNNHMARS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-362
| 0 |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-03-26 |
|
| 603-362
| 1 |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2005-06-15 |
|
| 603-362
| 2 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2009-02-02 |
|
| 603-362
| 3 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2016-06-01 |
|
| 603-362
| 4 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-362
| 5 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-362
| 6 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-362
| 7 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2013-10-01 |
|
| 603-362
| 8 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-362
| 9 |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-453
| A |
MNCHNHCO37Z |
7421 AT&T - LOCAL |
122 |
|
|
|
| 603-453
| 0 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2020-11-26 |
|
| 603-453
| 1 |
|
073H TELNYX LLC |
122 |
|
2022-12-02 |
|
| 603-453
| 2 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-05-28 |
|
| 603-453
| 3 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2024-03-08 |
|
| 603-453
| 4 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2024-10-08 |
|
| 603-453
| 5 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2025-02-20 |
|
| 603-453
| 6 |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2021-07-07 |
|
| 603-453
| 8 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-12-04 |
|
| 603-453
| 9 |
|
7421 AT&T - LOCAL |
122 |
|
2021-07-07 |
|
| 603-489
| A |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-489
| 0 |
|
829J PAETEC ITEL, LLC |
122 |
|
2002-03-15 |
|
| 603-489
| 1 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-489
| 2 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-489
| 3 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2006-03-04 |
|
| 603-489
| 4 |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-19 |
|
| 603-489
| 5 |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-489
| 6 |
|
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
2007-12-28 |
|
| 603-489
| 7 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-01-29 |
|
| 603-489
| 8 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2004-09-02 |
|
| 603-489
| 9 |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2003-06-03 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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