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.

Billings, OK [Prefix detail]

LATA: 536 OKLAHOMA CITY OK

LIR:

V: 07729 H: 04445

ILEC: 9533 SOUTHWESTERN BELL

NPA 580:

422 725

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Local calling TO: [Reverse direction]

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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