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
603-646 A Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-647 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-648 A Salisbury NH SLBRNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-648 0 Salisbury NH SLBRNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-648 2 Salisbury NH SLBRNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-648 6 Salisbury NH SLBRNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-649 A Jaffrey NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-649 7 Jaffrey NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2022-11-30   
603-650 A Hanover NH LBNNNHMSRSA  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-651 A Center Ossipee NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-651 0 Center Ossipee NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-651 1 Center Ossipee NH MNCHNHCOXPZ  853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) 122   2012-10-02   
603-651 3 Center Ossipee NH   145J TERRA NOVA TELECOM INC. 122   2021-05-31   
603-651 5 Center Ossipee NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-651 6 Center Ossipee NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-651 7 Center Ossipee NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-651 8 Center Ossipee NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-651 9 Center Ossipee NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-652 A Milton NH MLTNNHSIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-652 0 Milton NH MLTNNHSIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-652 1 Milton NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-15   
603-652 3 Milton NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2003-03-23   
603-652 4 Milton NH MLTNNHSIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-652 7 Milton NH MLTNNHSIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-652 8 Milton NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-652 9 Milton NH MLTNNHSIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-653 A Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-653 0 Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-653 1 Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-653 2 Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2003-02-11   
603-653 3 Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2003-02-11   
603-653 4 Hanover NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122   2002-09-19   
603-653 5 Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-653 6 Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2003-02-11   
603-653 7 Hanover NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2003-08-12   
603-653 8 Hanover NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2000-05-29   
603-653 9 Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2003-02-11   
603-654 A Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 0 Wilton NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2020-03-08   
603-654 1 Wilton NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2010-01-25   
603-654 2 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 3 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 5 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 6 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 7 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 8 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 9 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-655 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-656 A Manchester NH MNCHNHCOPS0  383J CONSOLIDATED COMM ENTERPRISE SERVICES INC 122      
603-656 0 Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

<< 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: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.