Local Calling Guide
Area code/prefix search
NPA: 562 [Rate centres in NPA 562] [Dial plan for NPA 562]
NXX: 503
| NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
|---|---|---|---|---|---|---|---|---|---|
| 562-503 | A | Norwalk | CA | TRNECAGBGT3 | 6529 T-MOBILE USA, INC. | 730 | |||
| 562-503 | 0 | Norwalk | CA | 6529 T-MOBILE USA, INC. | 730 | 2019-08-09 | |||
| 562-503 | 1 | Norwalk | CA | 899D METROPCS NETWORKS, LLC | 730 | 2018-11-04 | |||
| 562-503 | 2 | Norwalk | CA | 6010 NEW CINGULAR WIRELESS PCS, LLC | 730 | 2019-08-05 | |||
| 562-503 | 3 | Norwalk | CA | 899D METROPCS NETWORKS, LLC | 730 | 2019-02-04 | |||
| 562-503 | 4 | Norwalk | CA | 649C ONVOY, LLC - CA | 730 | 2019-03-31 | |||
| 562-503 | 5 | Norwalk | CA | 6529 T-MOBILE USA, INC. | 730 | 2019-03-22 | |||
| 562-503 | 6 | Norwalk | CA | 6529 T-MOBILE USA, INC. | 730 | 2019-03-22 | |||
| 562-503 | 7 | Norwalk | CA | 6529 T-MOBILE USA, INC. | 730 | 2018-12-06 | |||
| 562-503 | 8 | Norwalk | CA | 6529 T-MOBILE USA, INC. | 730 | 2018-12-06 | |||
| 562-503 | 9 | Norwalk | CA | 6529 T-MOBILE USA, INC. | 730 | 2018-10-23 |
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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