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NPA

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Telecommunications

Abbreviation for numbering plan area.

ATIS — ATIS Telecom Glossary 2007

Related Telecommunications terms

BIRRDS
carrier access code (CAC)
carrier identification code (CIC)
consolidated carrier
INC
international carrier (INC)
international routing code
NANPA (North American Numbering Plan Administration)
North American Number Plan (NANP)
North American Numbering Plan Numbering Resource Utilization/Forecasting (NRUF) Report
numbering plan area (NPA)
NXX code
service access code (SAC)

Nearby Telecommunications terms

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Definitions are reproduced with attribution to their original sources; each entry links to the source and shows when it was retrieved. About · FAQ · Data build 2026-10-15.