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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-494 1 Andover MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-494 2 Andover MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-494 3 Andover MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-494 4 Andover MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-494 5 Andover MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-494 6 Andover MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-494 7 Andover MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-494 8 Andover MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-494 9 Andover MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-495 A Billerica MA FRMNMAWAGMD  7421 AT&T - LOCAL 128      
978-495 0 Billerica MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-495 1 Billerica MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-495 2 Billerica MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-495 3 Billerica MA LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-495 4 Billerica MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-495 5 Billerica MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
978-495 6 Billerica MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-495 7 Billerica MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
978-495 8 Billerica MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-495 9 Billerica MA FRMNMAWAGMD  7421 AT&T - LOCAL 128      
978-496 A Westford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-496 0 Westford MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-496 1 Westford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-496 2 Westford MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128      
978-496 3 Westford MA   145J TERRA NOVA TELECOM INC. 128      
978-496 4 Westford MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-496 5 Westford MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-496 6 Westford MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-496 7 Westford MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-496 8 Westford MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-496 9 Westford MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-497 A Lowell MA CHFRMANORP0  9102 VERIZON NEW ENGLAND INC. 128      
978-498 A Salem MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-498 0 Salem MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-498 4 Salem MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-499 A Newburyport MA NBPTMAGRDS1  9102 VERIZON NEW ENGLAND INC. 128      
978-500 A Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-500 0 Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-500 1 Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-500 2 Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-500 3 Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-500 4 Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-500 5 Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-500 6 Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-500 7 Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-500 8 Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-500 9 Ipswich MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-501 A Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-501 0 Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-501 1 Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-501 2 Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-501 3 Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-501 4 Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-501 5 Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-501 6 Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-501 7 Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-501 8 Littleton MA BSTPMALLOMD  073H TELNYX LLC 128      
978-501 9 Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-502 A Fitchburg MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-503 A Fitchburg MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
978-503 0 Fitchburg MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-503 1 Fitchburg MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-503 2 Fitchburg MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-503 3 Fitchburg MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-503 4 Fitchburg MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-503 5 Fitchburg MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
978-503 6 Fitchburg MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
978-503 7 Fitchburg MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-503 8 Fitchburg MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-503 9 Fitchburg MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-504 A Amesbury MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-504 0 Amesbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-504 1 Amesbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-504 2 Amesbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-504 3 Amesbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-504 4 Amesbury MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128      
978-504 5 Amesbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-504 6 Amesbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-504 7 Amesbury MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
978-504 8 Amesbury MA   515J IP HORIZON LLC 128      
978-504 9 Amesbury MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-505 A Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-505 0 Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-505 1 Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-505 2 Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-505 3 Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-505 4 Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-505 5 Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-505 6 Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-505 7 Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-505 8 Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-505 9 Concord MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-506 A Littleton MA ACTNMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
978-506 0 Littleton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-506 1 Littleton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-506 2 Littleton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-506 4 Littleton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-506 5 Littleton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-506 6 Littleton MA ACTNMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
978-506 7 Littleton MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      

<< 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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.