Local Calling Guide

Rate centre information

Search by rate centre (exchange) name, region, area code, LATA. Enter full or partial name. Use official postal abbreviations for province/state/territory.

Sullivan City, TX [Prefix detail]

LATA: 568 BROWNSVILLE TX

LIR:

V: 09864 H: 03830

ILEC: 9533 SOUTHWESTERN BELL

NPA 956:

446 485 779

See all [Local Prefixes]

Local calling TO 2 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Mission, TX     
Rio Grande City, TX     

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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