Local Calling Guide
Area code/prefix search
Washington Zone 10, MD
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-992
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-06-19 |
|
| 240-992
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-06-19 |
|
| 240-994
| A |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 301-201
| A |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 301-201
| 0 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2023-09-21 |
|
| 301-201
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-09-21 |
|
| 301-201
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-09-21 |
|
| 301-201
| 3 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-01-08 |
|
| 301-201
| 4 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-01-08 |
|
| 301-201
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-01-08 |
|
| 301-201
| 6 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-01-08 |
|
| 301-201
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-01-09 |
|
| 301-201
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-01-07 |
|
| 301-201
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-01-07 |
|
| 301-212
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-212
| 0 |
|
5562 METROPCS, INC. |
236 |
|
2013-06-16 |
|
| 301-212
| 1 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-212
| 2 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-212
| 3 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-212
| 4 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-212
| 5 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-212
| 6 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-212
| 7 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-212
| 8 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-212
| 9 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-217
| A |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-240
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-240
| 0 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-240
| 1 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-240
| 2 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-240
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-240
| 4 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-240
| 5 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-240
| 6 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-240
| 7 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-240
| 8 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-240
| 9 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-251
| A |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-258
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-279
| A |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-284
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-284
| 0 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2014-05-30 |
|
| 301-284
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-284
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-284
| 3 |
|
876D ONVOY, LLC - MD |
236 |
|
2016-01-29 |
|
| 301-284
| 4 |
|
829J PAETEC ITEL, LLC |
236 |
|
2013-03-12 |
|
| 301-284
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-284
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-284
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-284
| 8 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2004-11-21 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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