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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-301 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-302 A Boston MA CMBSMA013MD  428H AIRUS, INC. - MA 128      
857-303 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-304 A Watertown MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
857-305 A Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
857-306 A Boston MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
857-307 A Brookline MA BKLIMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
857-308 A Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-309 A Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-310 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-312 A Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-313 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-314 A Milton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-315 A Boston MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
857-316 A Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-317 A Boston MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
857-318 A Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-319 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-320 A Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-321 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-322 A East Boston MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
857-323 A Chelsea MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
857-324 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-325 A Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-326 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-327 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-328 A Boston MA BSTPMALLXMD  597F VOIP INNOVATIONS, LLC 128      
857-329 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-330 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-331 A Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-332 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-333 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-334 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-335 A Boston MA BSTPMALLX0X  425J CSC WIRELESS, LLC 128      
857-336 A Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-337 A Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-338 A Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
857-339 A Roxbury MA SOVLMAAB6MD  939H COMMIO, LLC 128   2024-04-13   
857-340 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-341 A Belmont MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-342 A Hyde Park MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-343 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-344 A Quincy MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-345 A Hyde Park MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-346 A Boston MA SOVLMAAB0MD  148J TELENGY LLC 128      
857-347 A Boston MA BSTPMALLVMD  181J ADVANCED TELECOM SOLUTIONS, LLC 128      
857-348 A Boston MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-29   
857-349 A Winthrop MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-350 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-351 A Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-07-01   
857-352 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-353 A Boston MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
857-354 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-355 A Everett MA CMBSMA013MD  428H AIRUS, INC. - MA 128      
857-356 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-357 A Cambridge MA CMBRMABEUMD  007J MEGAPHONE, INC. 128      
857-358 A Quincy MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-359 A Quincy MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-360 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-361 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-362 A Boston MA BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
857-363 A Everett MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-364 A Brookline MA   829J PAETEC ITEL, LLC 128      
857-365 A Boston MA CMBRMABEVMD  478J NUSO, LLC 128      
857-366 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-367 A Watertown MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
857-368 A Boston MA   829J PAETEC ITEL, LLC 128      
857-369 A Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
857-370 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-371 A Watertown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-372 A Quincy MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-373 A Belmont MA   829J PAETEC ITEL, LLC 128      
857-374 A Quincy MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-375 A Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-376 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-377 A Boston MA   829J PAETEC ITEL, LLC 128      
857-378 A Boston MA BSTNMABEDS9  9102 VERIZON NEW ENGLAND INC. 128      
857-379 A Roxbury MA SOVLMAAB6MD  939H COMMIO, LLC 128   2024-12-28   
857-380 A East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-381 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-382 A East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-383 A Boston MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
857-384 A Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-385 A Dorchester MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-386 A Chelsea MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
857-387 A Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
857-388 A Somerville MA SOVLMAAB6MD  939H COMMIO, LLC 128      
857-389 A Charlestown MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-390 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-391 A Charlestown MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-392 A Jamaica Plain MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-393 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-394 A Belmont MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-395 A Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-396 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-397 A Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-398 A Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-399 A Roxbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-400 A Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-401 A South Boston MA   829J PAETEC ITEL, LLC 128      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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