Area Code |
Prefix |
Zip Count |
ZIP Freq |
Type |
Company |
Rate Center |
227 |
205 |
9031 |
-2 |
WIRELESS |
|
|
227 |
222 |
9031 |
0 |
LANDLINE |
|
|
227 |
229 |
9031 |
-2 |
LANDLINE |
|
|
240 |
200 |
9031 |
0 |
LANDLINE |
BANDWIDTH.COM CLEC, LLC - MD |
WSHNGTNZN2 |
240 |
223 |
9031 |
0 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSHNGTNZN2 |
240 |
234 |
9031 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
WSHNGTNZN2 |
240 |
247 |
9031 |
0 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSHNGTNZN3 |
240 |
269 |
9031 |
0 |
LANDLINE |
PEERLESS NETWORK OF MARYLAND, LLC |
WSNGTNZN16 |
240 |
296 |
9031 |
-2 |
LANDLINE |
CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
WSHNGTNZN4 |
240 |
304 |
9031 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
WSHNGTNZN5 |
240 |
330 |
9031 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
WSHNGTNZN2 |
240 |
331 |
9031 |
0 |
LANDLINE |
PEERLESS NETWORK OF MARYLAND, LLC |
WSHNGTNZN3 |
240 |
333 |
9031 |
0 |
LANDLINE |
CAVALIER EAST, LLC - MD |
WSHNGTNZN2 |
240 |
413 |
9031 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSHNGTNZN4 |
240 |
414 |
9031 |
0 |
LANDLINE |
PEERLESS NETWORK OF MARYLAND, LLC |
WSHNGTNZN6 |
240 |
424 |
9031 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
WSHNGTNZN3 |
240 |
465 |
9031 |
0 |
LANDLINE |
PEERLESS NETWORK OF MARYLAND, LLC |
WSHNGTNZN2 |
240 |
467 |
9031 |
-2 |
LANDLINE |
COMCAST IP PHONE, LLC |
WSHNGTNZN4 |
240 |
468 |
9031 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
WSHNGTNZN3 |
240 |
487 |
9031 |
-2 |
LANDLINE |
US LEC OF MARYLAND, INC. |
WSHNGTNZN4 |
240 |
494 |
9031 |
0 |
LANDLINE |
CAVALIER EAST, LLC - MD |
WSHNGTNZN3 |
240 |
495 |
9031 |
-2 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
WSHNGTNZN4 |
240 |
514 |
9031 |
0 |
LANDLINE |
US LEC OF MARYLAND, INC. |
WSNGTNZN11 |
240 |
533 |
9031 |
0 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
WSHNGTNZN3 |
240 |
539 |
9031 |
0 |
LANDLINE |
PEERLESS NETWORK OF MARYLAND, LLC |
WSHNGTNZN4 |
240 |
548 |
9031 |
0 |
LANDLINE |
CORE COMMUNICATIONS, INC.- MD |
WSNG236Z14 |
240 |
590 |
9031 |
0 |
WIRELESS |
METROPCS, INC. |
WSNGTNZN12 |
240 |
595 |
9031 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
WSHNGTNZN3 |
240 |
600 |
9031 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
WSHNGTNZN2 |
240 |
612 |
9031 |
0 |
LANDLINE |
LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
WSHNGTNZN5 |
240 |
613 |
9031 |
-2 |
LANDLINE |
US LEC OF MARYLAND, INC. |
WSHNGTNZN4 |
240 |
615 |
9031 |
-2 |
WIRELESS |
METROPCS, INC. |
WSHNGTNZN4 |
240 |
623 |
9031 |
-2 |
LANDLINE |
BANDWIDTH.COM CLEC, LLC - MD |
WSHNGTNZN4 |
240 |
638 |
9031 |
0 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - MD |
WSHNGTNZN3 |
240 |
644 |
9031 |
0 |
LANDLINE |
XO MARYLAND, LLC |
WSHNGTNZN2 |
240 |
645 |
9031 |
0 |
LANDLINE |
XO MARYLAND, LLC |
WSHNGTNZN3 |
240 |
667 |
9031 |
-2 |
LANDLINE |
GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
WSHNGTNZN4 |
240 |
671 |
9031 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
WSHNGTNZN2 |
240 |
677 |
9031 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSHNGTNZN5 |
240 |
696 |
9031 |
-2 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - MD |
WSHNGTNZN4 |
240 |
704 |
9031 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC - DC |
WSHNGTNZN3 |
240 |
705 |
9031 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC - DC |
WSHNGTNZN3 |
240 |
706 |
9031 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC - DC |
WSHNGTNZN3 |
240 |
714 |
9031 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSHNGTNZN4 |
240 |
737 |
9031 |
0 |
LANDLINE |
CAVALIER EAST, LLC - MD |
WSHNGTNZN4 |
240 |
760 |
9031 |
-1 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
WSHNGTNZN2 |
240 |
762 |
9031 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
WSHNGTNZN2 |
240 |
764 |
9031 |
-2 |
LANDLINE |
XO MARYLAND, LLC |
WSHNGTNZN4 |
240 |
765 |
9031 |
0 |
LANDLINE |
XO MARYLAND, LLC |
WSHNGTNZN5 |
240 |
770 |
9031 |
-2 |
LANDLINE |
COMCAST IP PHONE, LLC |
WSHNGTNZN4 |
240 |
791 |
9031 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSHNGTNZN4 |
240 |
825 |
9031 |
-2 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
WSHNGTNZN4 |
240 |
828 |
9031 |
-2 |
WIRELESS |
TELNYX LLC |
WSHNGTNZN4 |
240 |
854 |
9031 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSHNGTNZN4 |
240 |
857 |
9031 |
0 |
LANDLINE |
LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
WSHNGTNZN5 |
240 |
879 |
9031 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSHNGTNZN4 |
240 |
886 |
9031 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSHNGTNZN4 |
240 |
898 |
9031 |
-2 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - MD |
WSHNGTNZN4 |
240 |
900 |
9031 |
-2 |
LANDLINE |
ONVOY, LLC - MD |
WSHNGTNZN4 |
240 |
906 |
9031 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSHNGTNZN4 |
240 |
927 |
9031 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSHNGTNZN4 |
240 |
939 |
9031 |
0 |
LANDLINE |
BANDWIDTH.COM CLEC, LLC - MD |
WSNGTNZN11 |
240 |
940 |
9031 |
-2 |
LANDLINE |
BANDWIDTH.COM CLEC, LLC - MD |
WSHNGTNZN4 |
240 |
960 |
9031 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSHNGTNZN4 |
301 |
265 |
9031 |
0 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSHNGTNZN6 |
301 |
269 |
9031 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSHNGTNZN2 |
301 |
276 |
9031 |
-2 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSHNGTNZN4 |
301 |
364 |
9031 |
-2 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSHNGTNZN4 |
301 |
458 |
9031 |
-2 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
WSHNGTNZN4 |
301 |
484 |
9031 |
-2 |
LANDLINE |
COMCAST IP PHONE, LLC |
WSHNGTNZN4 |
301 |
531 |
9031 |
-2 |
LANDLINE |
STARPOWER COMMUNICATIONS, LLC - MD |
WSHNGTNZN4 |
301 |
560 |
9031 |
-2 |
LANDLINE |
PAETEC COMMUNICATIONS, INC. - MD |
WSHNGTNZN4 |
301 |
623 |
9031 |
0 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
WSNG236Z13 |
301 |
628 |
9031 |
0 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
WSHNGTNZN3 |
301 |
634 |
9031 |
0 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
WSHNGTNZN2 |
301 |
683 |
9031 |
-2 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
WSHNGTNZN4 |
301 |
692 |
9031 |
0 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
WSNGTNZN11 |
301 |
781 |
9031 |
-2 |
WIRELESS |
ONVOY SPECTRUM, LLC |
WSHNGTNZN4 |
301 |
789 |
9031 |
-2 |
LANDLINE |
CORE COMMUNICATIONS, INC.- MD |
WSHNGTNZN4 |
301 |
795 |
9031 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSNGTNZN10 |
301 |
823 |
9031 |
0 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
WSNG236Z13 |
301 |
832 |
9031 |
0 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
WSHNGTNZN4 |
301 |
837 |
9031 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSNG236Z13 |
301 |
841 |
9031 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSHNGTNZN2 |
301 |
892 |
9031 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSHNGTNZN4 |
301 |
945 |
9031 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSNGTNZN11 |
301 |
954 |
9031 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSHNGTNZN4 |
301 |
955 |
9031 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSHNGTNZN4 |
301 |
966 |
9031 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSNGTNZN12 |
301 |
981 |
9031 |
0 |
LANDLINE |
LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
WSHNGTNZN5 |