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 |
301-426
| 6 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-426
| 7 |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 8 |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 9 |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-441
| A |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| A |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 0 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 1 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 2 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 3 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 4 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-446
| 6 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 7 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 8 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 9 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-474
| A |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-477
| A |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-477
| 1 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-477
| 2 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-477
| 3 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-477
| 4 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2017-02-01 |
|
301-477
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-477
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-477
| 7 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2015-09-04 |
|
301-477
| 8 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2018-01-14 |
|
301-477
| 9 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2018-01-14 |
|
301-479
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-479
| 1 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-479
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-479
| 3 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-479
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-479
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
301-479
| 6 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
301-479
| 7 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-479
| 8 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
301-479
| 9 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
301-486
| A |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 0 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 1 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 2 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 3 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 4 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-486
| 6 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 7 |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 8 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-486
| 9 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-488
| A |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-489
| A |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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