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 |
| 603-689
| 9 |
Nashua |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-690
| A |
Claremont |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-690
| 0 |
Claremont |
NH |
MNCHNHCOCM1 |
5562 METROPCS, INC. |
122 |
|
2021-10-09 |
|
| 603-690
| 1 |
Claremont |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2026-01-15 |
|
| 603-690
| 2 |
Claremont |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-09-10 |
|
| 603-690
| 3 |
Claremont |
NH |
|
6889 OMNIPOINT MIAMI E LICENSE, LLC |
122 |
|
2025-03-14 |
|
| 603-690
| 5 |
Claremont |
NH |
MNCHNHCOX4Z |
6290 UNITED STATES CELLULAR - NH |
122 |
|
2005-09-22 |
|
| 603-690
| 8 |
Claremont |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2022-11-03 |
|
| 603-690
| 9 |
Claremont |
NH |
MNCHNHACDS0 |
7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
122 |
|
|
|
| 603-691
| A |
Exeter |
NH |
MNCHNHNIVMD |
939H COMMIO, LLC |
122 |
|
|
|
| 603-691
| 0 |
Exeter |
NH |
MNCHNHCO23Z |
073H TELNYX LLC |
122 |
|
2022-11-14 |
|
| 603-691
| 1 |
Exeter |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-11-13 |
|
| 603-691
| 2 |
Exeter |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-11-13 |
|
| 603-691
| 3 |
Exeter |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2022-12-23 |
|
| 603-691
| 4 |
Exeter |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2023-04-14 |
|
| 603-691
| 5 |
Exeter |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-07-06 |
|
| 603-691
| 6 |
Exeter |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-08-20 |
|
| 603-691
| 7 |
Exeter |
NH |
MNCHNHACAMD |
6386 BELL ATLANTIC MOBILE, INC |
122 |
|
2024-08-28 |
|
| 603-691
| 8 |
Exeter |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
2023-04-07 |
|
| 603-691
| 9 |
Exeter |
NH |
MNCHNHNIVMD |
939H COMMIO, LLC |
122 |
|
2023-04-07 |
|
| 603-692
| A |
Somersworth |
NH |
SMRSNHHIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 0 |
Somersworth |
NH |
SMRSNHHIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 1 |
Somersworth |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2001-08-10 |
|
| 603-692
| 2 |
Somersworth |
NH |
SMRSNHHIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 3 |
Somersworth |
NH |
SMRSNHHIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 4 |
Somersworth |
NH |
SMRSNHHIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 5 |
Somersworth |
NH |
SMRSNHHIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 6 |
Somersworth |
NH |
SMRSNHHIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 7 |
Somersworth |
NH |
SMRSNHHIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-692
| 8 |
Somersworth |
NH |
DRRYNHBC1MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
122 |
|
2013-04-08 |
|
| 603-692
| 9 |
Somersworth |
NH |
SMRSNHHIRS1 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-693
| A |
Epping |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2025-04-30 |
|
| 603-693
| 0 |
Epping |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
2002-06-03 |
|
| 603-693
| 2 |
Epping |
NH |
PTMONH073MD |
8468 FREEDOM RING COMMUNICATIONS, LLC |
122 |
|
2007-10-30 |
|
| 603-693
| 5 |
Epping |
NH |
PTMONH073MD |
9827 OTEL TELEKOM, INC. - NH |
122 |
|
2011-03-07 |
|
| 603-693
| 6 |
Epping |
NH |
|
829J PAETEC ITEL, LLC |
122 |
|
|
|
| 603-693
| 7 |
Epping |
NH |
MNCHNHIE6MD |
318J COMCAST IP PHONE, LLC |
122 |
|
2015-04-03 |
|
| 603-693
| 8 |
Epping |
NH |
DOVRNHTHXEX |
8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
122 |
|
2019-06-09 |
|
| 603-694
| A |
Chatham |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-694
| 0 |
Chatham |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-694
| 1 |
Chatham |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-694
| 2 |
Chatham |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-694
| 3 |
Chatham |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-694
| 5 |
Chatham |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-694
| 6 |
Chatham |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-694
| 7 |
Chatham |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-694
| 8 |
Chatham |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-694
| 9 |
Chatham |
NH |
FRBGMEXADS3 |
3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
122 |
|
|
|
| 603-695
| A |
Manchester |
NH |
MNCHNHCODS2 |
5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
122 |
|
|
|
| 603-696
| A |
Manchester |
NH |
MNCHNHCOX9Z |
637E ONVOY, LLC - NH |
122 |
|
|
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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