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]

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-304 A Danvers MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-305 A Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-306 A Salem MA   829J PAETEC ITEL, LLC 128      
978-307 A Hamilton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-308 A West Newbury MA   829J PAETEC ITEL, LLC 128      
978-309 A Rockport MA   829J PAETEC ITEL, LLC 128      
978-310 A Hudson MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-312 A Ipswich MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-313 A Billerica MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-314 A Lawrence MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-315 A Wilmington MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-316 A Concord MA BSTNMABLOMD  9748 AMERICAN MESSAGING SERVICES, LLC 128      
978-317 A Peabody MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-318 A Concord MA CNCRMAWADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-319 A Lowell MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-320 A Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-321 A Winchendon MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-322 A Lowell MA LWLLMAAPPSA  9102 VERIZON NEW ENGLAND INC. 128      
978-323 A Lowell MA LWLLMAAPPSA  9102 VERIZON NEW ENGLAND INC. 128      
978-324 A Orange MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
978-325 A Gloucester MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-326 A Peabody MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-327 A Lawrence MA   829J PAETEC ITEL, LLC 128      
978-328 A Lowell MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-329 A Lawrence MA LWRNMACADS2  9102 VERIZON NEW ENGLAND INC. 128      
978-330 A Billerica MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-331 A Maynard MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-332 A Lawrence MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128      
978-333 A Hudson MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-334 A Gardner MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-335 A Danvers MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-336 A Salem MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-337 A Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-338 A Beverly MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-339 A Littleton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-340 A Fitchburg MA FTBGMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
978-341 A Concord MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128      
978-342 A Fitchburg MA FTBGMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
978-343 A Fitchburg MA FTBGMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
978-344 A Maynard MA   829J PAETEC ITEL, LLC 128      
978-345 A Fitchburg MA FTBGMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
978-346 A Merrimac MA MRMCMACERS1  9102 VERIZON NEW ENGLAND INC. 128      
978-347 A Hamilton MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-348 A Fitchburg MA FTBGMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
978-349 A Lowell MA   829J PAETEC ITEL, LLC 128      
978-350 A Templeton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-351 A Haverhill MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-352 A Georgetown MA GRTWMAWIRS1  9102 VERIZON NEW ENGLAND INC. 128      
978-353 A Fitchburg MA FTBGMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
978-354 A Salem MA SALMMANODS0  9102 VERIZON NEW ENGLAND INC. 128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.