Local Calling Guide
Area code/prefix search
NPA: 240
[Rate centres in NPA 240]
[Dial plan for NPA 240]
NXX: 583
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
240-583
| A |
Laurel |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-583
| 0 |
Laurel |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-14 |
|
240-583
| 1 |
Laurel |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-10-28 |
|
240-583
| 2 |
Laurel |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2010-06-12 |
|
240-583
| 3 |
Laurel |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-12 |
|
240-583
| 4 |
Laurel |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-12 |
|
240-583
| 5 |
Laurel |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-12 |
|
240-583
| 6 |
Laurel |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-12 |
|
240-583
| 7 |
Laurel |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-19 |
|
240-583
| 8 |
Laurel |
MD |
WASHDCCZDS1 |
4773 XO MARYLAND, LLC |
236 |
|
2010-09-02 |
|
240-583
| 9 |
Laurel |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2011-07-22 |
|
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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