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 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-330 A Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-331 A Fitchburg MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-332 A Nantucket MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-332 0 Nantucket MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-10-26   
508-332 1 Nantucket MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-03-16   
508-332 2 Nantucket MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-11-15   
508-332 3 Nantucket MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-06   
508-332 4 Nantucket MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-332 5 Nantucket MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-03-16   
508-332 6 Nantucket MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-01-12   
508-332 7 Nantucket MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-06   
508-332 8 Nantucket MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-10-02   
508-332 9 Nantucket MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2005-01-18   
508-333 A Natick MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-334 A Worcester MA WRCSMACEDS3  9102 VERIZON NEW ENGLAND INC. 128      
508-335 A Worcester MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-336 A Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-336 0 Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-336 1 Seekonk MA   145J TERRA NOVA TELECOM INC. 128   2022-05-05   
508-336 2 Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-336 3 Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-336 4 Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-336 5 Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-336 6 Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-336 7 Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-336 8 Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-336 9 Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-337 A Mansfield MA MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-338 A Vineyard Haven MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-338 0 Vineyard Haven MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-338 1 Vineyard Haven MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-338 2 Vineyard Haven MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2012-10-08   
508-338 3 Vineyard Haven MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-25   
508-338 4 Vineyard Haven MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-338 5 Vineyard Haven MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2016-09-16   
508-338 6 Vineyard Haven MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-338 7 Vineyard Haven MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2015-09-15   
508-338 8 Vineyard Haven MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-338 9 Vineyard Haven MA   892D ONVOY, LLC - MA 128   2024-03-08   
508-339 A Mansfield MA MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-340 A Worcester MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-340 0 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-15   
508-340 1 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-09-29   
508-340 2 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-07-02   
508-340 3 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-11-04   
508-340 4 Worcester MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
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   

<< 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 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.