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: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-656 3 Lowell MA LWLLMAAPPSA  9102 VERIZON NEW ENGLAND INC. 128      
978-656 4 Lowell MA LWLLMAAPPSA  9102 VERIZON NEW ENGLAND INC. 128      
978-656 5 Lowell MA LWLLMAAPPSA  9102 VERIZON NEW ENGLAND INC. 128      
978-656 6 Lowell MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-05-05   
978-656 7 Lowell MA LWLLMAAPPSA  9102 VERIZON NEW ENGLAND INC. 128      
978-656 8 Lowell MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2008-09-06   
978-656 9 Lowell MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-02-10   
978-657 A Wilmington MA WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-658 A Wilmington MA WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-659 A Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-659 0 Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-659 1 Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-659 2 Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-659 3 Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-659 4 Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-659 5 Lawrence MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-02-04   
978-659 6 Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-659 7 Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-659 8 Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-659 9 Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-660 A Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-660 0 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-660 1 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-660 2 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-660 3 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-660 4 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-660 5 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2002-11-04   
978-660 6 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-660 7 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-02-09   
978-660 8 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-660 9 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-661 A Wilmington MA WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-661 1 Wilmington MA WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-661 2 Wilmington MA WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-661 4 Wilmington MA   145J TERRA NOVA TELECOM INC. 128   2022-12-16   
978-661 5 Wilmington MA WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-661 6 Wilmington MA WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-661 7 Wilmington MA WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-661 8 Wilmington MA WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-661 9 Wilmington MA WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-662 A Andover MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-662 0 Andover MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-662 1 Andover MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-662 2 Andover MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-662 3 Andover MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-662 4 Andover MA   829J PAETEC ITEL, LLC 128   2011-09-15   
978-662 5 Andover MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-12-04   
978-662 6 Andover MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-03-31   
978-662 7 Andover MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-662 8 Andover MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 >>

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.