Local Calling Guide
Area code/prefix search
Washington Zone 13, MD
<< 1 2 3 4 5 6 7 8 9 10 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-790
| A |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-790
| 0 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-790
| 1 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-790
| 2 |
|
5562 METROPCS, INC. |
236 |
|
2016-07-24 |
|
| 240-790
| 3 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-790
| 4 |
|
5562 METROPCS, INC. |
236 |
|
2020-04-02 |
|
| 240-790
| 6 |
|
5562 METROPCS, INC. |
236 |
|
2016-09-26 |
|
| 240-790
| 7 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-790
| 8 |
|
318J COMCAST IP PHONE LLC |
236 |
|
2017-04-19 |
|
| 240-790
| 9 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-845
| A |
WASHDCCZDS0 |
4773 XO MARYLAND, LLC |
236 |
|
|
|
| 240-845
| 0 |
|
4773 XO MARYLAND, LLC |
236 |
|
|
|
| 240-845
| 1 |
|
4773 XO MARYLAND, LLC |
236 |
|
|
|
| 240-845
| 2 |
|
082H LOCAL ACCESS LLC - MD |
236 |
|
2016-10-14 |
|
| 240-845
| 3 |
|
082H LOCAL ACCESS LLC - MD |
236 |
|
2016-10-14 |
|
| 240-845
| 4 |
|
5562 METROPCS, INC. |
236 |
|
2017-08-19 |
|
| 240-845
| 5 |
|
4773 XO MARYLAND, LLC |
236 |
|
|
|
| 240-845
| 6 |
|
5562 METROPCS, INC. |
236 |
|
2018-07-01 |
|
| 240-845
| 7 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2017-07-27 |
|
| 240-845
| 8 |
|
073H TELNYX LLC |
236 |
|
2017-04-27 |
|
| 240-845
| 9 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
| 240-965
| A |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-965
| 0 |
|
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-965
| 1 |
|
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-965
| 2 |
|
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-965
| 3 |
|
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-965
| 4 |
|
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-965
| 5 |
|
318J COMCAST IP PHONE LLC |
236 |
|
2015-06-17 |
|
| 240-965
| 6 |
|
318J COMCAST IP PHONE LLC |
236 |
|
2006-12-14 |
|
| 240-965
| 7 |
|
318J COMCAST IP PHONE LLC |
236 |
|
2006-12-14 |
|
| 240-965
| 8 |
|
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 240-965
| 9 |
|
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
| 301-206
| A |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-207
| A |
SLSPMDSSX6X |
6630 USA MOBILITY WIRELESS, INC. |
236 |
|
|
|
| 301-220
| A |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-220
| 0 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-220
| 1 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-220
| 2 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-220
| 3 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-220
| 4 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-220
| 5 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-220
| 6 |
|
876D ONVOY, LLC - MD |
236 |
|
2021-02-18 |
|
| 301-220
| 7 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-220
| 8 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
| 301-220
| 9 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-286
| A |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-289
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-289
| 0 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
| 301-289
| 1 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
| 301-289
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
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Last updated: Fri, 01 Jul 2022 02:53:40 UTC
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