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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-200 A Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-201 A Ridge MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-202 A Highfield MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-203 A Hagerstown MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-204 A Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-205 A Washington Zone 10 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-206 A Washington Zone 14 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-207 A Damascus MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-208 A La Plata MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-209 A Indian Head MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-210 A Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-212 A Oakland MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-213 A Waldorf MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-214 A Mechanicsville MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-215 A Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-216 A Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-217 A Hagerstown MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-218 A Nanjemoy MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-219 A Ridge MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-220 A Poolesville MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-221 A Washington Zone 11 MD RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
240-222 A Waldorf MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-223 A Washington Zone 2 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-224 A Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-225 A Frederick MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-226 A Oakland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-227 A Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-228 A Washington Zone 13 MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
240-229 A Waldorf MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-230 A Hughesville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-231 A Hagerstown MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-232 A Washington Zone 14 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-233 A Tompkinsville MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-234 A Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-235 A Washington Zone 2 MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-236 A Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-237 A Lexington Park-Great Mills MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-238 A Washington Zone 10 MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-239 A Leonardtown MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-15   
240-240 A Damascus (Hagerstown LATA) MD HGTWMD53CMD  965H FRACTEL, LLC 240      
240-241 A Washington Zone 13 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-242 A Washington Zone 11 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-243 A Gaithersburg MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-244 A Washington Zone 16 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-245 A Washington Zone 14 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 A Gaithersburg MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-247 A Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-248 A Ridge MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-249 A Mechanicsville MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-250 A Brandywine MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-251 A Highfield MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-252 A Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-253 A Washington Zone 6 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-254 A Hughesville MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-255 A Poolesville MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-256 A Leonardtown MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-257 A Nanjemoy MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-258 A Ridge MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-259 A Hughesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
240-260 A Washington Zone 14 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-261 A Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-262 A Lexington Park-Great Mills MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
240-263 A Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-02-19   
240-264 A Laurel MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
240-265 A Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-266 A Washington Zone 14 MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-267 A Hagerstown MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-268 A Washington Zone 10 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-269 A Washington Zone 16 MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-270 A Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-271 A Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-272 A Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-273 A Washington Zone 6 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-274 A Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-275 A Grantsville MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-276 A Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
240-277 A Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-278 A Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-279 A Waldorf MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-280 A Laurel MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
240-281 A Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-282 A Mechanicsville MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-283 A Washington Zone 11 MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-284 A Frostburg MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-285 A Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-286 A Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-287 A Hancock MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-288 A Thurmont MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240      
240-289 A Washington Zone 6 MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-290 A Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-291 A Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-292 A Washington Zone 11 MD WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
240-293 A Washington Zone 12 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-294 A Laurel MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-295 A Laurel MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-296 A Washington Zone 4 MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-297 A Washington Zone 13 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-298 A Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-299 A Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-300 A Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      

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Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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