Local Calling Guide
Area code/prefix search
NPA: 503
[Rate centres in NPA 503]
[Dial plan for NPA 503]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 503-488
| 4 |
Portland |
OR |
PTLEORXMAMD |
7537 LEVEL 3 TELECOM OF OREGON, LLC - OR |
672 |
|
|
|
| 503-488
| 5 |
Portland |
OR |
PTLDOR69X9X |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
672 |
|
2004-07-30 |
|
| 503-488
| 6 |
Portland |
OR |
PTLDOR69X9X |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
672 |
|
2004-07-30 |
|
| 503-488
| 7 |
Portland |
OR |
PTLEORXMAMD |
7537 LEVEL 3 TELECOM OF OREGON, LLC - OR |
672 |
|
|
|
| 503-488
| 8 |
Portland |
OR |
PTLEORXMAMD |
7537 LEVEL 3 TELECOM OF OREGON, LLC - OR |
672 |
|
|
|
| 503-488
| 9 |
Portland |
OR |
PTLDORWNAMD |
5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR |
672 |
|
2014-06-27 |
|
| 503-489
| A |
Gresham |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
|
|
| 503-489
| 0 |
Gresham |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
|
|
| 503-489
| 1 |
Gresham |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
|
|
| 503-489
| 2 |
Gresham |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
|
|
| 503-489
| 3 |
Gresham |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2014-11-09 |
|
| 503-489
| 4 |
Gresham |
OR |
PTLDOR69UMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
672 |
|
2010-06-19 |
|
| 503-489
| 5 |
Gresham |
OR |
PTLDOR13XFX |
318J COMCAST IP PHONE, LLC |
672 |
|
2005-01-31 |
|
| 503-489
| 6 |
Gresham |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
|
|
| 503-489
| 7 |
Gresham |
OR |
PTLDOR69UMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
672 |
|
2010-02-20 |
|
| 503-489
| 8 |
Gresham |
OR |
PTLDOR69UMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
672 |
|
2010-02-20 |
|
| 503-489
| 9 |
Gresham |
OR |
PTLDOR69UMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
672 |
|
2010-09-04 |
|
| 503-490
| A |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-490
| 0 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-490
| 1 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-490
| 2 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-490
| 3 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-490
| 4 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-490
| 5 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-490
| 6 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-490
| 7 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-490
| 8 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-490
| 9 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-491
| A |
Gresham |
OR |
GRHMORXBCG1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-492
| A |
Gresham |
OR |
GRHMORXBCG1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-493
| A |
Portland |
OR |
PTLDOR12DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-494
| A |
Portland |
OR |
PTLDOR69DS1 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-495
| A |
Beaverton |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-496
| A |
Clackamas |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
|
|
| 503-496
| 0 |
Clackamas |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
|
|
| 503-496
| 1 |
Clackamas |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
|
|
| 503-496
| 2 |
Clackamas |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2014-06-09 |
|
| 503-496
| 3 |
Clackamas |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
2007-07-13 |
|
| 503-496
| 4 |
Clackamas |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
2008-04-11 |
|
| 503-496
| 5 |
Clackamas |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
2005-05-28 |
|
| 503-496
| 6 |
Clackamas |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2014-08-29 |
|
| 503-496
| 7 |
Clackamas |
OR |
PTLDORWADS2 |
750E ONVOY, LLC - OR |
672 |
|
2012-09-26 |
|
| 503-496
| 8 |
Clackamas |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2016-04-04 |
|
| 503-496
| 9 |
Clackamas |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2013-11-15 |
|
| 503-497
| A |
Portland |
OR |
PTLDOR69DS1 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-498
| A |
Stafford-Sandy |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-498
| 0 |
Stafford-Sandy |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2016-12-24 |
|
| 503-498
| 1 |
Stafford-Sandy |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2014-09-12 |
|
| 503-498
| 2 |
Stafford-Sandy |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2017-04-17 |
|
| 503-498
| 3 |
Stafford-Sandy |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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