Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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
603-232 4 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2003-03-02   
603-232 5 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-232 6 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2002-07-24   
603-232 7 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2002-07-24   
603-232 8 Manchester NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2003-09-08   
603-232 9 Manchester NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2003-09-08   
603-233 A Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-233 0 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-233 1 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-233 2 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-233 3 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-233 4 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-233 5 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-233 6 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-233 7 Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2007-10-22   
603-233 8 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-233 9 Nashua NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 A Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-02-09   
603-234 0 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 1 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 2 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 3 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 4 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 5 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 6 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 7 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 8 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 9 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 A Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 0 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 1 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 2 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 3 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 4 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 5 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 6 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 7 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 8 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-235 9 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-236 A Campton NH WVVYNHMRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-236 0 Campton NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122   2002-09-10   
603-236 1 Campton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-09-01   
603-236 2 Campton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-05-02   
603-236 3 Campton NH WVVYNHMRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-236 4 Campton NH WVVYNHMRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-236 5 Campton NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2003-09-23   
603-236 6 Campton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-09-20   
603-236 7 Campton NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-03   
603-236 8 Campton NH WVVYNHMRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-236 9 Campton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-09-01   

<< 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 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.