Local Calling Guide
Area code/prefix search
NPA: 817
[Rate centres in NPA 817]
[Dial plan for NPA 817]
NXX: 409
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 817-409
| A |
Alvarado |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
|
|
| 817-409
| 0 |
Alvarado |
TX |
|
515J IP HORIZON LLC |
552 |
|
2017-12-15 |
|
| 817-409
| 1 |
Alvarado |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2005-03-24 |
|
| 817-409
| 2 |
Alvarado |
TX |
DLLSTXTAXTZ |
624H ONVOY SPECTRUM, LLC |
552 |
|
2021-12-02 |
|
| 817-409
| 3 |
Alvarado |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2007-02-16 |
|
| 817-409
| 4 |
Alvarado |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2014-10-03 |
|
| 817-409
| 5 |
Alvarado |
TX |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
2014-05-14 |
|
| 817-409
| 6 |
Alvarado |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2014-10-03 |
|
| 817-409
| 7 |
Alvarado |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2011-11-25 |
|
| 817-409
| 8 |
Alvarado |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2020-05-18 |
|
| 817-409
| 9 |
Alvarado |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2010-11-08 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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