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: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-340 5 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-03-04   
508-340 6 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-04-01   
508-340 7 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-01-02   
508-340 8 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-01-02   
508-340 9 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-01-02   
508-341 A East Douglas MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-342 A Attleboro MA   829J PAETEC ITEL, LLC 128      
508-342 0 Attleboro MA   829J PAETEC ITEL, LLC 128      
508-342 1 Attleboro MA   829J PAETEC ITEL, LLC 128      
508-342 2 Attleboro MA   829J PAETEC ITEL, LLC 128      
508-342 3 Attleboro MA   829J PAETEC ITEL, LLC 128      
508-342 4 Attleboro MA   829J PAETEC ITEL, LLC 128      
508-342 5 Attleboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-06   
508-342 6 Attleboro MA   829J PAETEC ITEL, LLC 128      
508-342 7 Attleboro MA   829J PAETEC ITEL, LLC 128      
508-342 8 Attleboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-06   
508-342 9 Attleboro MA   829J PAETEC ITEL, LLC 128      
508-343 A Seekonk MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-343 0 Seekonk MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-343 1 Seekonk MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-04-15   
508-343 2 Seekonk MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2008-06-12   
508-343 3 Seekonk MA BRTNMACRLMD  5562 METROPCS, INC. 128   2022-06-20   
508-343 5 Seekonk MA   829J PAETEC ITEL, LLC 128   2005-07-01   
508-343 6 Seekonk MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-11   
508-343 7 Seekonk MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2008-10-20   
508-343 8 Seekonk MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-09   
508-343 9 Seekonk MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-344 A Sturbridge MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-345 A Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-346 A Franklin MA   7135 TC SYSTEMS, INC. 128      
508-346 3 Franklin MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-346 6 Franklin MA BSTPMALLOMD  073H TELNYX LLC 128   2024-04-14   
508-347 A Sturbridge MA STBGMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-348 A Chatham MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2024-02-16   
508-348 0 Chatham MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-02-07   
508-348 1 Chatham MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-05-06   
508-348 2 Chatham MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-05-16   
508-348 4 Chatham MA BRTNMACRLMD  5562 METROPCS, INC. 128   2005-11-26   
508-348 5 Chatham MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2012-05-20   
508-348 7 Chatham MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-08-24   
508-348 8 Chatham MA   515J IP HORIZON LLC 128   2019-04-26   
508-348 9 Chatham MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-349 A Wellfleet MA WLLFMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-349 0 Wellfleet MA WLLFMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-349 1 Wellfleet MA WLLFMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-349 2 Wellfleet MA WLLFMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-349 3 Wellfleet MA WLLFMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-349 4 Wellfleet MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2018-02-27   
508-349 5 Wellfleet MA   145J TERRA NOVA TELECOM INC. 128   2022-05-05   
508-349 6 Wellfleet MA WLLFMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-349 7 Wellfleet MA WLLFMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-349 9 Wellfleet MA WLLFMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-350 A East Bridgewater MA EBWRMABERS1  9102 VERIZON NEW ENGLAND INC. 128      
508-350 1 East Bridgewater MA   829J PAETEC ITEL, LLC 128   2002-05-08   
508-350 2 East Bridgewater MA EBWRMABERS1  9102 VERIZON NEW ENGLAND INC. 128      
508-350 3 East Bridgewater MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-350 4 East Bridgewater MA   829J PAETEC ITEL, LLC 128   2004-12-23   
508-350 5 East Bridgewater MA   829J PAETEC ITEL, LLC 128   2013-12-17   
508-350 6 East Bridgewater MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-350 7 East Bridgewater MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-06-09   
508-350 8 East Bridgewater MA   145J TERRA NOVA TELECOM INC. 128   2020-11-22   
508-350 9 East Bridgewater MA EBWRMABERS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 A Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 0 Northboro MA BSTPMALLOMD  073H TELNYX LLC 128   2017-04-28   
508-351 1 Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 2 Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 3 Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 4 Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 6 Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 7 Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 8 Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 9 Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-352 A Worcester MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
508-353 A Worcester MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-354 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-355 A Marion MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 0 Marion MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 1 Marion MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 2 Marion MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 3 Marion MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-08   
508-355 4 Marion MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 5 Marion MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 6 Marion MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 8 Marion MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 9 Marion MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-08   
508-356 A Cataumet MA   829J PAETEC ITEL, LLC 128      
508-356 0 Cataumet MA   829J PAETEC ITEL, LLC 128      
508-356 1 Cataumet MA   829J PAETEC ITEL, LLC 128      
508-356 2 Cataumet MA   829J PAETEC ITEL, LLC 128      
508-356 3 Cataumet MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2012-05-05   
508-356 4 Cataumet MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-03-31   
508-356 5 Cataumet MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-17   
508-356 6 Cataumet MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-17   
508-356 7 Cataumet MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2017-08-17   
508-356 8 Cataumet MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2012-05-07   
508-356 9 Cataumet MA   829J PAETEC ITEL, LLC 128      
508-357 A Marlboro MA MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-357 0 Marlboro MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-08-11   
508-357 1 Marlboro MA MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-357 2 Marlboro MA MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 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 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.