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.

Calvin, OK [Prefix detail]

LATA: 536 OKLAHOMA CITY OK

LIR:

V: 07961 H: 04122

ILEC: 9533 SOUTHWESTERN BELL

NPA 405:

299 645

NPA 572:

552

See all [Local Prefixes]

Local calling TO: [Reverse direction]

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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