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 |
| 503-572
| 2 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-572
| 3 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-572
| 4 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-572
| 5 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-572
| 6 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-572
| 7 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-572
| 8 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-572
| 9 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-573
| A |
Gresham |
OR |
|
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
|
|
| 503-573
| 0 |
Gresham |
OR |
PTLDORWADS2 |
750E ONVOY, LLC - OR |
672 |
|
2024-12-15 |
|
| 503-573
| 1 |
Gresham |
OR |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
672 |
|
2024-12-30 |
|
| 503-573
| 2 |
Gresham |
OR |
PTLGORIA7MD |
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
|
|
| 503-573
| 3 |
Gresham |
OR |
PTLDOR13XFX |
318J COMCAST IP PHONE, LLC |
672 |
|
2020-10-02 |
|
| 503-573
| 4 |
Gresham |
OR |
|
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
|
|
| 503-573
| 5 |
Gresham |
OR |
|
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
|
|
| 503-573
| 6 |
Gresham |
OR |
PTLGORIA7MD |
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
|
|
| 503-573
| 7 |
Gresham |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2016-08-25 |
|
| 503-573
| 8 |
Gresham |
OR |
PTLGORIA7MD |
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
2011-08-19 |
|
| 503-573
| 9 |
Gresham |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2014-11-09 |
|
| 503-574
| A |
Beaverton |
OR |
BVTNORXBDS1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-574
| 0 |
Beaverton |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2013-11-15 |
|
| 503-574
| 1 |
Beaverton |
OR |
BVTNORXBDS1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-574
| 2 |
Beaverton |
OR |
BVTNORXBDS1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-574
| 3 |
Beaverton |
OR |
BVTNORXBDS1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-574
| 4 |
Beaverton |
OR |
BVTNORXBDS1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-574
| 5 |
Beaverton |
OR |
BVTNORXBDS1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-574
| 6 |
Beaverton |
OR |
BVTNORXBDS1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-574
| 7 |
Beaverton |
OR |
BVTNORXBDS1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-574
| 8 |
Beaverton |
OR |
BVTNORXBDS1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-574
| 9 |
Beaverton |
OR |
BVTNORXBDS1 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-575
| A |
Portland |
OR |
PTLDOR69X9X |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
672 |
|
|
|
| 503-575
| 0 |
Portland |
OR |
BENDOR248MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
672 |
|
2009-02-19 |
|
| 503-575
| 1 |
Portland |
OR |
PTLDOR69X9X |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
672 |
|
2009-01-25 |
|
| 503-575
| 2 |
Portland |
OR |
PTLDOR69X9X |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
672 |
|
2009-01-25 |
|
| 503-575
| 3 |
Portland |
OR |
PTLDOR69X9X |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
672 |
|
2009-01-25 |
|
| 503-575
| 4 |
Portland |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
2009-01-30 |
|
| 503-575
| 5 |
Portland |
OR |
BENDOR248MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
672 |
|
2009-02-19 |
|
| 503-575
| 6 |
Portland |
OR |
BENDOR248MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
672 |
|
2009-02-19 |
|
| 503-575
| 7 |
Portland |
OR |
PTLDORWADS2 |
750E ONVOY, LLC - OR |
672 |
|
2009-03-22 |
|
| 503-575
| 8 |
Portland |
OR |
PTLDORWNAMD |
5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR |
672 |
|
2009-05-19 |
|
| 503-575
| 9 |
Portland |
OR |
PTLGORIA7MD |
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
2009-04-27 |
|
| 503-576
| A |
Salem |
OR |
SALMOR58DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-576
| 0 |
Salem |
OR |
PTLJORIY0MD |
5562 METROPCS, INC. |
672 |
|
2006-09-28 |
|
| 503-576
| 1 |
Salem |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
2006-08-27 |
|
| 503-576
| 2 |
Salem |
OR |
SALMOR58DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-576
| 3 |
Salem |
OR |
SALMOR58DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-576
| 4 |
Salem |
OR |
SALMOR58DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-576
| 5 |
Salem |
OR |
SALMOR58DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-576
| 6 |
Salem |
OR |
SALMOR58DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-576
| 7 |
Salem |
OR |
SALMOR58DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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