Local Calling Guide
Area code/prefix search
NPA: 541
[Rate centres in NPA 541]
[Dial plan for NPA 541]
NXX: 581
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 541-581
| A |
Lowell |
OR |
EUGNOR53ZMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
670 |
|
|
|
| 541-581
| 0 |
Lowell |
OR |
EUGNOR53ZMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
670 |
|
2015-07-03 |
|
| 541-581
| 1 |
Lowell |
OR |
EUGNOR53KMD |
750E ONVOY, LLC - OR |
670 |
|
2016-04-05 |
|
| 541-581
| 2 |
Lowell |
OR |
EUGNOR53KMD |
750E ONVOY, LLC - OR |
670 |
|
2016-04-05 |
|
| 541-581
| 3 |
Lowell |
OR |
|
792K CHARTER IP ENABLED SERVICES, LLC |
670 |
|
2017-09-11 |
|
| 541-581
| 4 |
Lowell |
OR |
EUGNOR53XXX |
073H TELNYX LLC |
670 |
|
2021-02-28 |
|
| 541-581
| 5 |
Lowell |
OR |
MDFDORRJDS0 |
826H INTEGRATED PATH COMMUNICATIONS-OREGON, LLC - OR |
670 |
|
2018-08-07 |
|
| 541-581
| 6 |
Lowell |
OR |
EUGNOR53XUX |
624H ONVOY SPECTRUM, LLC |
670 |
|
2021-12-13 |
|
| 541-581
| 7 |
Lowell |
OR |
EUGNOR53XCX |
508J CENTURYLINK COMMUNICATIONS, LLC |
670 |
|
2016-09-07 |
|
| 541-581
| 8 |
Lowell |
OR |
EUGNOR53KMD |
750E ONVOY, LLC - OR |
670 |
|
2019-09-20 |
|
| 541-581
| 9 |
Lowell |
OR |
EUGNOR53XUX |
624H ONVOY SPECTRUM, LLC |
670 |
|
2021-12-13 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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