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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-402 A Catonsville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-403 A Cockeysville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-404 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-405 A Fork MD FORKMDFKRS1  9212 VERIZON MARYLAND, INC. 238      
410-406 A Essex MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-407 A Elkridge MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-408 A Towson MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-409 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-410 A Baltimore MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
410-412 A Glen Burnie MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-413 A Pikesville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-414 A Prince Frederick MD PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-415 A Pikesville MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-416 A Waterloo (Washington DC LATA) MD WASHDCDP8MD  9748 AMERICAN MESSAGING SERVICES, LLC 236      
410-417 A Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-418 A Ellicott City MD ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-419 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-420 A Bel Air MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-421 A Severna Park MD SVPKMDSPRP0  9212 VERIZON MARYLAND, INC. 238      
410-422 A Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-423 A Columbia MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-424 A Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-425 A Smith Island MD SMISMDSIRS0  9212 VERIZON MARYLAND, INC. 242      
410-426 A Baltimore MD BLTMMDHMDS0  9212 VERIZON MARYLAND, INC. 238      
410-427 A Towson MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-428 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-429 A Worthington MD RSTWMDRSDS0  9212 VERIZON MARYLAND, INC. 238      
410-430 A Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-431 A Severna Park MD SVPKMDSPRP0  9212 VERIZON MARYLAND, INC. 238      
410-432 A Severna Park MD SVPKMDSPRP0  9212 VERIZON MARYLAND, INC. 238      
410-433 A Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-434 A Towson MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-435 A Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-436 A Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-437 A Armiger-Gibson Island MD ARMGMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-438 A Sudlersville MD SDVLMDSDRS0  9212 VERIZON MARYLAND, INC. 242      
410-439 A Armiger-Gibson Island MD ARMGMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-440 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-441 A Elkton MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-442 A Ellicott City MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-443 A Easton MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
410-444 A Baltimore MD BLTMMDHMDS0  9212 VERIZON MARYLAND, INC. 238      
410-445 A Baltimore MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-446 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-447 A Columbia MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-448 A Baltimore MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-449 A Solomons MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-450 A Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-451 A Crofton MD COTNMDCRDS0  9212 VERIZON MARYLAND, INC. 238      
410-452 A Cardiff MD CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-453 A Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-454 A Baltimore MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-455 A Catonsville MD CTVLMDCTDS0  9212 VERIZON MARYLAND, INC. 238      
410-456 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-457 A Darlington MD DRTNMDDRRS0  9212 VERIZON MARYLAND, INC. 238      
410-458 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-459 A Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-460 A Elkridge MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-461 A Ellicott City MD ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-462 A Baltimore MD BLTMMDMDDS0  9212 VERIZON MARYLAND, INC. 238      
410-463 A Trappe MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-464 A Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-465 A Ellicott City MD ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-466 A Baltimore MD BLTMMDLBDS0  9212 VERIZON MARYLAND, INC. 238      
410-467 A Baltimore MD BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-468 A Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-469 A Baltimore MD ARBTMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-470 A Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-471 A Elkridge MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-472 A Sparks-Glencoe MD MANRMDMNRS0  9212 VERIZON MARYLAND, INC. 238      
410-473 A Towson MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-474 A Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-475 A Towson MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-476 A Trappe MD TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      
410-477 A Sparrows Point MD NRPNMDNPRP0  9212 VERIZON MARYLAND, INC. 238      
410-478 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-479 A Denton MD DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      
410-480 A Ellicott City MD ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-481 A Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-482 A Greensboro MD GNBOMDGRRS0  9212 VERIZON MARYLAND, INC. 242      
410-483 A Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-484 A Pikesville MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-485 A Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-486 A Pikesville MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-487 A Glen Burnie MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-488 A Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-489 A Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-490 A Centreville MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-491 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-492 A Towson MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-493 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-494 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-495 A Prince Frederick MD MUTLMDMTRS0  9212 VERIZON MARYLAND, INC. 238      
410-496 A Randallstown MD RNTWMDRARP0  9212 VERIZON MARYLAND, INC. 238      
410-497 A Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-498 A Cockeysville MD   829J PAETEC ITEL, LLC 238   2025-04-01   
410-499 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-500 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-501 A Arbutus MD   829J PAETEC ITEL, LLC 238   2025-04-01   
410-502 A Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      

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

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