Npa nxx by zip

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LATA 1. County Population 2. Latitude 2. Longitude 2. WeightLatitude 1. WeightLongitude 1. City 1. County 1. Time Zone 2. Observes DST 2. NXX Use Type 1. NXX Intro Version 1. Field Definition State Abbreviation Standard two character abbreviation. Rate Center 10 character abbreviation for the Rate Center in which the code is assigned. Future Effective Date EffectiveDate The future date when a new code will be in service for new codes only.

Once the effective date is reached, this date will no longer appear. Use VC VC indicates codes that are vacant; they are available for assignment to a service provider. AS AS indicates codes that are assigned to a service provider. PR PR indicates codes that are protected for a split; that is, these codes are assigned in the old or the new NPA and can not be assigned in the other NPA until after the end of permissive dialing.

RV RV indicates codes that have been reserved by a service provider. The identity of the service provider is considered proprietary information and will not be shown. UA UA indicates codes that are unavailable for assignment. Formatted as four-digit year, two-digit month, two-digit day of month. Generally present for United States wire-line offices.

The IANA time zone database is also referred to as the tz database, the zoneinfo database, and the Olson database. Wire Centers File. State CHAR 2 2-character state, province, or territory abbreviation.

County Codes File. Census Bureau population estimate, Canada - Statistics Canada reported population. United States exchanges only. MTA Codes File.