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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-303 A Washington Zone 13 MD SLSPMDSSX6X  6630 USA MOBILITY WIRELESS, INC. 236      
301-304 A Walkersville MD FRDRMDFRXTX  318J COMCAST IP PHONE LLC 240      
301-305 A Frederick MD FRDRMDFRCMD  6664 SPRINT SPECTRUM L.P. 240      
301-306 A Washington Zone 4 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-307 A Washington Zone 13 (Baltimore LATA) MD CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
301-308 A Washington Zone 13 MD SLSPMDSSX6X  6630 USA MOBILITY WIRELESS, INC. 236      
301-309 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-310 A Laurel (Baltimore LATA) MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
301-312 A Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-313 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-314 A Washington Zone 4 MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236      
301-315 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-316 A Washington Zone 5 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-317 A Laurel MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-318 A Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-319 A Washington Zone 2 MD BTHSMDWWDS0  9212 VERIZON MARYLAND, INC. 236      
301-320 A Washington Zone 2 MD BTHSMDWADS0  9212 VERIZON MARYLAND, INC. 236      
301-321 A Washington Zone 11 MD CHCHMDBE5MD  4749 TELCOVE OPERATIONS, INC. - MD 236      
301-322 A Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-323 A Laurel MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-324 A Washington Zone 5 MD CPHGMDCADS0  9212 VERIZON MARYLAND, INC. 236      
301-325 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-326 A Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-327 A Washington Zone 15 (Baltimore LATA) MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2021-01-13   
301-328 A Washington Zone 3 MD ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2021-01-26   
301-329 A Ashton (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
301-330 A Gaithersburg MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-331 A Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-332 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-333 A Washington Zone 5 MD CPHGMDCADS0  9212 VERIZON MARYLAND, INC. 236      
301-334 A Oakland MD OKLDMDOKDS0  9212 VERIZON MARYLAND, INC. 240      
301-335 A Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-336 A Washington Zone 5 MD CPHGMDCADS0  9212 VERIZON MARYLAND, INC. 236      
301-337 A Gaithersburg MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-338 A Cumberland MD CMLDMDCH0MD  228C IDT AMERICA CORP - MD 240      
301-339 A Washington Zone 10 MD HRNDVA13DS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
301-340 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-341 A Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-342 A Lexington Park-Great Mills MD PNATMDAFDS0  9212 VERIZON MARYLAND, INC. 236      
301-343 A Washington Zone 5 MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
301-344 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-345 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-346 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-347 A Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-348 A Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-349 A Poolesville MD PLVLMDPVRS2  9212 VERIZON MARYLAND, INC. 236      
301-350 A Washington Zone 5 MD CPHGMDCADS0  9212 VERIZON MARYLAND, INC. 236      
301-351 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-352 A Washington Zone 14 MD BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-353 A Washington Zone 10 MD GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      

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Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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