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 |
| 603-244
| 3 |
Raymond |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-07 |
|
| 603-244
| 4 |
Raymond |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-20 |
|
| 603-244
| 5 |
Raymond |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
|
|
| 603-244
| 6 |
Raymond |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-03-04 |
|
| 603-244
| 7 |
Raymond |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2004-08-20 |
|
| 603-244
| 8 |
Raymond |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-05-02 |
|
| 603-244
| 9 |
Raymond |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-06-02 |
|
| 603-245
| A |
Portsmouth |
NH |
PTMONHISDS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-246
| A |
West Stewartstown |
NH |
WSTWNHBSRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-246
| 2 |
West Stewartstown |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2021-03-11 |
|
| 603-246
| 3 |
West Stewartstown |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-246
| 4 |
West Stewartstown |
NH |
|
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2002-09-19 |
|
| 603-246
| 5 |
West Stewartstown |
NH |
|
4017 LEVEL 3 COMMUNICATIONS, LLC - NH |
122 |
|
2004-09-05 |
|
| 603-246
| 6 |
West Stewartstown |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2021-03-11 |
|
| 603-246
| 7 |
West Stewartstown |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-246
| 8 |
West Stewartstown |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-246
| 9 |
West Stewartstown |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
2014-06-21 |
|
| 603-247
| A |
Derry |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-247
| 0 |
Derry |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-247
| 1 |
Derry |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-247
| 2 |
Derry |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-247
| 3 |
Derry |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-247
| 4 |
Derry |
NH |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
|
|
| 603-247
| 5 |
Derry |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-04-04 |
|
| 603-247
| 6 |
Derry |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-06-05 |
|
| 603-247
| 7 |
Derry |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-01-14 |
|
| 603-247
| 8 |
Derry |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-09-01 |
|
| 603-247
| 9 |
Derry |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2008-12-04 |
|
| 603-248
| A |
Dover |
NH |
DOVRNHTHDS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-249
| A |
Milford |
NH |
MLFRNHSODS0 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-249
| 0 |
Milford |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-03-26 |
|
| 603-249
| 1 |
Milford |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-249
| 2 |
Milford |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2002-07-15 |
|
| 603-249
| 3 |
Milford |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-249
| 4 |
Milford |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-249
| 5 |
Milford |
NH |
|
318J COMCAST IP PHONE, LLC |
122 |
|
2006-10-31 |
|
| 603-249
| 6 |
Milford |
NH |
|
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2005-08-01 |
|
| 603-249
| 7 |
Milford |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2002-06-30 |
|
| 603-249
| 8 |
Milford |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-249
| 9 |
Milford |
NH |
|
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-250
| A |
Center Harbor |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-250
| 0 |
Center Harbor |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-250
| 1 |
Center Harbor |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-250
| 2 |
Center Harbor |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-250
| 5 |
Center Harbor |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2005-04-14 |
|
| 603-250
| 6 |
Center Harbor |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2006-07-14 |
|
| 603-250
| 7 |
Center Harbor |
NH |
|
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2020-03-08 |
|
| 603-250
| 8 |
Center Harbor |
NH |
|
314C IDT AMERICA, CORP. - NH |
122 |
|
2008-04-18 |
|
| 603-250
| 9 |
Center Harbor |
NH |
|
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
|
|
| 603-251
| A |
Charlestown |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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