Local Calling Guide
Area code/prefix search
Waterloo (Washington DC LATA), MD
<< 1 2 3 4 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-329
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-30 |
|
443-329
| 7 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-30 |
|
443-329
| 8 |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2017-04-27 |
|
443-329
| 9 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-06-20 |
|
443-479
| A |
LARLMDDYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-634
| A |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-634
| 0 |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2012-01-08 |
|
443-634
| 1 |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2012-01-08 |
|
443-634
| 2 |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2012-01-08 |
|
443-634
| 3 |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2012-01-08 |
|
443-634
| 4 |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2012-01-08 |
|
443-634
| 5 |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2012-01-08 |
|
443-634
| 6 |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2012-01-08 |
|
443-634
| 7 |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2012-01-08 |
|
443-634
| 8 |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2012-01-08 |
|
443-634
| 9 |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2012-01-08 |
|
443-654
| A |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-654
| 0 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2008-09-27 |
|
443-654
| 1 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2008-09-27 |
|
443-654
| 2 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2008-09-27 |
|
443-654
| 3 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2008-09-27 |
|
443-654
| 4 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2008-09-27 |
|
443-654
| 5 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2008-09-27 |
|
443-654
| 6 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2008-09-27 |
|
443-654
| 7 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2008-09-27 |
|
443-654
| 8 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2008-09-27 |
|
443-654
| 9 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2008-09-27 |
|
443-753
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
443-753
| 0 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
443-753
| 1 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
443-753
| 2 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2014-06-12 |
|
443-753
| 3 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2015-01-21 |
|
443-753
| 4 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
443-753
| 5 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
443-753
| 6 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
443-753
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-05-21 |
|
443-753
| 8 |
|
515J IP HORIZON LLC |
236 |
|
2016-05-31 |
|
443-753
| 9 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
443-778
| A |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-778
| 0 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-778
| 1 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2002-06-25 |
|
443-778
| 2 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2003-02-15 |
|
443-778
| 3 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-778
| 4 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-778
| 5 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-778
| 6 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-778
| 7 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-778
| 8 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-778
| 9 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2003-02-15 |
|
667-322
| A |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
<< 1 2 3 4 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
Sponsored by: ISP Telecom
Like this site? We accept donations via PayPal.