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]

Block: A

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-305 A Marlboro MA   7135 TC SYSTEMS, INC. 128      
508-306 A Holliston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-307 A Taunton MA WOBNMADW2MD  9748 AMERICAN MESSAGING SERVICES, LLC 128      
508-308 A Framingham MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-309 A Framingham MA   7135 TC SYSTEMS, INC. 128      
508-310 A Natick MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-312 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-313 A Brockton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-314 A Natick MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-315 A Natick MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
508-316 A North Attleboro MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-317 A Wareham MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-318 A Natick MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-319 A Natick MA   829J PAETEC ITEL, LLC 128      
508-320 A Grafton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-321 A Medway MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-322 A Wareham MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-323 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-324 A Fall River MA FLRVMANMDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-325 A Nantucket MA NCKTMAUNDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-326 A Brockton MA BRTNMACRLMD  5562 METROPCS, INC. 128   2024-02-09   
508-327 A Auburn MA BSTNMABLOMD  9748 AMERICAN MESSAGING SERVICES, LLC 128      
508-328 A Hopkinton MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-329 A Westboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-330 A Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-331 A Fitchburg MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-332 A Nantucket MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
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 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-336 A 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      
508-339 A Mansfield MA MNFDMABRRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-340 A Worcester MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-341 A East Douglas MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-342 A Attleboro MA   829J PAETEC ITEL, LLC 128      
508-343 A 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      
508-347 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   
508-349 A Wellfleet MA WLLFMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-350 A East Bridgewater MA EBWRMABERS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 A 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      
508-356 A Cataumet MA   829J PAETEC ITEL, LLC 128      
508-357 A Marlboro MA MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-358 A Wayland MA WYLDMABPRP0  9102 VERIZON NEW ENGLAND INC. 128      
508-359 A Medfield MA MEFDMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-360 A Hyannis MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-361 A Framingham MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-362 A Barnstable MA BRNSMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-363 A Worcester MA WRCSMACEDS3  9102 VERIZON NEW ENGLAND INC. 128      
508-364 A Barnstable MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-365 A Worcester MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-366 A Westboro MA WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-367 A Barnstable MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-368 A Worcester MA WRCSMACEDS3  9102 VERIZON NEW ENGLAND INC. 128      
508-369 A Mansfield MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
508-370 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-371 A Framingham MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-372 A Whitinsville MA   829J PAETEC ITEL, LLC 128      
508-373 A Worcester MA   829J PAETEC ITEL, LLC 128      
508-374 A Nantucket MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-375 A Barnstable MA BRNSMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-376 A Millis MA MLISMAMARP0  9102 VERIZON NEW ENGLAND INC. 128      
508-377 A Milford MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-378 A East Bridgewater MA EBWRMABERS1  9102 VERIZON NEW ENGLAND INC. 128      
508-379 A North Swansea MA WRRNRIEVDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-380 A Framingham MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-381 A Milford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-382 A Marlboro MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
508-383 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-384 A Wrentham MA WRHMMASORS1  9102 VERIZON NEW ENGLAND INC. 128      
508-385 A Dennis MA DNNSMAYARS3  9102 VERIZON NEW ENGLAND INC. 128      
508-386 A Taunton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-387 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-388 A Falmouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
508-389 A Westboro MA WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-390 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-391 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-392 A Cataumet MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
508-393 A Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-394 A Dennis MA BSRVMASTDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-395 A Framingham MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-396 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-397 A Natick MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-398 A Dennis MA BSRVMASTDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-399 A Southgate MA PWTCRIHIDSA  9102 VERIZON NEW ENGLAND INC. 128      
508-400 A Hopkinton MA NRTNMAAACM4  5562 METROPCS, INC. 128      
508-401 A Wayland MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-402 A Fall River MA   829J PAETEC ITEL, LLC 128      
508-403 A Cataumet MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-404 A Walpole MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-405 A Framingham MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      

<< 1 2 3 4 5 6 7 8 >>

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.