Local Calling Guide
Area code/prefix search
NPA: 503
[Rate centres in NPA 503]
[Dial plan for NPA 503]
NXX: 343
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
503-343
| A |
Clackamas |
OR |
|
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
|
|
503-343
| 0 |
Clackamas |
OR |
|
750E ONVOY, LLC - OR |
672 |
|
2025-09-06 |
|
503-343
| 1 |
Clackamas |
OR |
PTLDOR69UMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
672 |
|
2024-11-02 |
|
503-343
| 2 |
Clackamas |
OR |
PTLDOR13X9X |
145J TERRA NOVA TELECOM INC. |
672 |
|
2024-08-12 |
|
503-343
| 3 |
Clackamas |
OR |
|
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
|
|
503-343
| 4 |
Clackamas |
OR |
PTLGORIA7MD |
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
2002-05-08 |
|
503-343
| 5 |
Clackamas |
OR |
|
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
|
|
503-343
| 6 |
Clackamas |
OR |
PTLGORIA7MD |
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
|
|
503-343
| 7 |
Clackamas |
OR |
PTLGORIA7MD |
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
|
|
503-343
| 8 |
Clackamas |
OR |
PTLDOR13XFX |
318J COMCAST IP PHONE, LLC |
672 |
|
2020-10-04 |
|
503-343
| 9 |
Clackamas |
OR |
PTLGORIA7MD |
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
2005-01-11 |
|
Last updated: Mon, 15 Sep 2025 02:24:40 UTC
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