Local Calling Guide
Area code/prefix search
NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]
NXX: 203
| NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
|---|---|---|---|---|---|---|---|---|---|
| 978-203 | A | Wilmington | MA | 829J PAETEC ITEL, LLC | 128 | ||||
| 978-203 | 0 | Wilmington | MA | 318J COMCAST IP PHONE, LLC | 128 | 2005-04-21 | |||
| 978-203 | 1 | Wilmington | MA | 829J PAETEC ITEL, LLC | 128 | ||||
| 978-203 | 2 | Wilmington | MA | 829J PAETEC ITEL, LLC | 128 | ||||
| 978-203 | 3 | Wilmington | MA | 892D ONVOY, LLC - MA | 128 | 2023-07-23 | |||
| 978-203 | 4 | Wilmington | MA | 4018 LEVEL 3 COMMUNICATIONS, LLC - MA | 128 | 2005-09-19 | |||
| 978-203 | 5 | Wilmington | MA | 4018 LEVEL 3 COMMUNICATIONS, LLC - MA | 128 | 2005-09-19 | |||
| 978-203 | 6 | Wilmington | MA | 4018 LEVEL 3 COMMUNICATIONS, LLC - MA | 128 | 2005-10-31 | |||
| 978-203 | 8 | Wilmington | MA | 624H ONVOY SPECTRUM, LLC | 128 | 2021-11-27 | |||
| 978-203 | 9 | Wilmington | MA | 4018 LEVEL 3 COMMUNICATIONS, LLC - MA | 128 | 2005-10-31 |
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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