Local Calling Guide
Area code/prefix search
NPA: 240
[Rate centres in NPA 240]
[Dial plan for NPA 240]
NXX: 656
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-656
| A |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
| 240-656
| 0 |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2021-02-22 |
|
| 240-656
| 1 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2021-03-14 |
|
| 240-656
| 2 |
Frederick |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-01-05 |
|
| 240-656
| 3 |
Frederick |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-01-05 |
|
| 240-656
| 4 |
Frederick |
MD |
FRDRMDFRKMD |
5562 METROPCS, INC. |
240 |
|
2020-07-10 |
|
| 240-656
| 5 |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2020-10-24 |
|
| 240-656
| 6 |
Frederick |
MD |
HGTWMD53DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2020-10-28 |
|
| 240-656
| 7 |
Frederick |
MD |
FRDRMDFRKMD |
5562 METROPCS, INC. |
240 |
|
2020-10-25 |
|
| 240-656
| 8 |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2019-11-01 |
|
| 240-656
| 9 |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2019-11-01 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
Sponsored by: ISP Telecom
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